Seattle Center Monorail

Seattle Center Monorail

Company type	Public transit system
Industry	Transportation
Founded	1962
Headquarters	Seattle, Washington , United States
Area served	Seattle metropolitan area
Key people	Tom Albro (owner of operator Seattle Monorail Services)
Products	Monorail transit service
Owner	City of Seattle
Parent	Seattle Monorail Services (operator since 1994)

The Seattle Center Monorail is an elevated straddle-beam monorail system located in Seattle, Washington. This line runs along 5th Avenue, connecting the Seattle Center with the Westlake Center in the heart of Downtown Seattle, without any stops in between. It functions as both a prominent tourist attraction and a routine public transit option, with trains operating at ten-minute intervals for up to 16 hours each day. Generally, a single train operates on each track, completing the journey in approximately two minutes. In 2023, the monorail transported 2.1 million riders and consistently produces profits that are shared by the city government and its contractor.

Built over eight months at a cost of $4.2 million for the 1962 Century 21 Exposition—a world’s fair held at Seattle Center—the monorail underwent significant refurbishment in 1988 when its southern terminal was relocated from above Pine Street to within the Westlake Center mall. The original pair of Alweg trains from the exposition remain in use today, each capable of carrying up to 450 passengers. The city owns both the trains and tracks, which were recognized as a historic landmark in 2003. Since 1994, operation has been managed by a private contractor, taking over from King County Metro, the regional transit agency.

Since the 1960s, several government agencies and private companies have suggested expansions for the monorail. The most prominent initiative was the Seattle Monorail Project, launched through a 1997 ballot initiative aiming to create a comprehensive citywide network complementing the planned Link light rail. However, escalating costs—eventually estimated at $11 billion—prompted voters to cancel the project in 2005. Throughout its history, the system has encountered notable accidents, including a collision on a gauntlet track near the Westlake Center terminal in 2005.

Route and stations

The monorail begins at its terminal situated within the Seattle Center, a civic complex located northwest of downtown Seattle. Positioned at Next 50 Plaza near iconic sites such as the Space Needle and Chihuly Garden and Glass, this terminal includes three platforms arranged using the Spanish solution: two side platforms dedicated to disembarking passengers and a central platform for boarding. The maintenance facility for the trains is found beneath these platforms at street level. From this point, the tracks extend eastward before curving southward through the Museum of Pop Culture, which was architecturally designed to accommodate the existing monorail infrastructure.

The route crosses Broad Street and proceeds along 5th Avenue North past KOMO Plaza, home to broadcasting studios, then veers southeast over adjacent buildings toward 5th Avenue proper. This avenue runs through Belltown as a southbound one-way street divided by columns supporting the monorail structure. Although these columns create visual barriers, vehicles are still able to switch lanes between them.

As it passes prominent landmarks like the Amazon Spheres and the towers of Westin Seattle, the line arrives at McGraw Square, where 5th Avenue curves slightly southward. Approaching its southern terminus at Westlake Center mall on Pine Street, the monorail track narrows into a pair of closely spaced gauntlet tracks that prevent two trains from occupying this segment simultaneously. The Westlake Center station is located on the mall’s third floor and offers elevator access directly to street level as well as to the nearby Westlake tunnel station, served by Link light rail trains on the 1 Line. Additionally, McGraw Square serves as the endpoint for the South Lake Union Streetcar, with several major bus routes also operating near Westlake Center.

Service and fares

The monorail connects the Seattle Center and Westlake Center terminals, covering the distance in approximately two minutes. Departures occur every 10 minutes, with a single train operating continuously. Seasonal timetables are in effect: from September through May (autumn/winter), service runs 13 to 14 hours Monday through Saturday, concluding at 11:00 p.m. on Fridays and Saturdays, and operates 12 hours on Sundays, ending at 9:00 p.m.; during summer months (May to September), it operates 16 hours on weekdays and 15 hours on weekends, with daily service ending at 11:00 p.m. Service is limited on federal holidays and is closed on Thanksgiving and Christmas. For major events at Seattle Center and Climate Pledge Arena, operating hours extend and train frequency increases to every four minutes using both trains.

Fares are collected at turnstiles through ORCA cards, smartphone applications, or vending machines that accept credit/debit cards and mobile payments. As of 2025, one-way tickets cost $4 for adults; youths aged 6 to 18 pay $2, while seniors (65+), individuals with disabilities, Medicare recipients, and active-duty military personnel with valid ID qualify for reduced fares. Round-trip tickets are priced at twice the one-way fare, and monthly passes are offered at both standard and discounted rates. Children five years old and younger ride free of charge. ORCA card compatibility was introduced in October 2019 after comprehensive integration efforts. Since May 2023, youth ORCA cards allow free travel under a statewide initiative for riders aged 18 or below. Furthermore, since January 2023, all attendees of public events at Climate Pledge Arena receive complimentary fares via a mobile app, expanding a program initially created for the Seattle Kraken and Seattle Storm. Fare changes are overseen by city officials and Seattle Monorail Services to ensure coverage of operational expenses and adjustment for inflation.

Operations

The Seattle Center Monorail is managed by Seattle Monorail Services (SMS), a private company established in 1994 and owned by former Port of Seattle commissioner Tom Albro. Before 1994, operation was a joint effort between Seattle Center and King County Metro. The monorail functions without relying on public operational subsidies, funding its expenses through passenger fares and federal capital grants, which positions it among the rare U.S. transit systems that achieve an operating surplus. The agreement between SMS and the city undergoes renewal every decade, with profits divided equally.

In 2022, the monorail transported around 2.1 million riders, averaging 4,988 passengers on weekdays and 8,090 on weekends. Ridership levels recovered post-pandemic, supported by the launch of Climate Pledge Arena, where event admission includes complimentary transit access. In 2023, fare revenues reached $6.3 million, supplemented by approximately $440,414 in local and federal capital funding. During the 1962 Century 21 Exposition, over 90 percent of World's Fair attendees used the monorail, resulting in a total ridership of 7.4 million.

Rolling stock and guideway

The system features a fully elevated straddle-beam monorail supported by 68 hollow columns rising above street level. Two parallel tracks rest upon prestressed concrete beams measuring roughly in length, in height, and wide. On curves where space is limited, split or single-armed columns are employed; notably, the guideway crosses over a building at Denny Way and 5th Avenue. The maintenance and operations facility is located beneath the platforms at the Seattle Center terminal.

Two aluminum trains operate on the system: the "Blue Train" (initially named Spirit of Seattle) and the "Red Train" (originally Spirit of Century 21). Each train is assigned to its own track but operates bidirectionally. Manufactured in 1962 by Alwac International in West Germany, these trains have remained in continuous service with significant refurbishments completed between 2009 and 2010. Each train measures long, wide, and tall, featuring articulated joints between sections. Seating capacity is 124 passengers per train, with standing room increasing total capacity to approximately 450. The system can manage an estimated peak throughput of up to 10,800 passengers per hour. Emergency ramps allow transfer between trains if halted between stations.

Each train runs on a total of 64 pneumatic rubber tires arranged across eight bogies: sixteen load-bearing tires positioned on top of the beam (diameter) and forty-eight guide tires along the beam's sides (diameter). Although designed for automated operation, drivers control the trains using joysticks and LCD screens that display technical information. Typically, trains coast without power during the latter part of trips and employ dynamic braking when approaching stops. Power is supplied via a third rail delivering 700 volts DC to eight electric motors. While originally capable of reaching speeds up to , current operational limits are set at . In harsh winter conditions, de-icing agents and salt are applied to tracks to maintain standard speeds.

Early proposals and planning

Several attempts to establish monorail systems in Seattle during the early 20th century failed to materialize. In 1910, inventor William H. Boyes proposed a line connecting Seattle to Tacoma; he secured a franchise in Edmonds in 1911 but never advanced construction. A plan developed in 1918 by the Universal Elevated Railway Company envisioned an elevated monorail along Westlake Avenue intended to replace private streetcar lines; however, after the city acquired these streetcars in 1919, interest in monorail development waned. Additional proposals surfaced in 1930 and again in 1955—the latter associated with what became Interstate 5.

In 1955, city officials and state legislators began preparations for a second World's Fair commemorating the 50th anniversary of the Alaska–Yukon–Pacific Exposition held in 1909. By 1957, a monorail was proposed to link fairgrounds located in Lower Queen Anne with parking areas in Interbay as well as nearby Elliott Bay attractions. The Seattle Transit Commission commenced a study in April 1958 after receiving proposals from private operators who were also considering similar projects for cities such as New Orleans and Houston. One notable design from Goodyear Tire and Rubber Company featured small pod vehicles forming a five-mile loop connecting downtown to the fairgrounds.

Ultimately, plans were scaled down to a 1.2-mile route along 5th Avenue connecting downtown hotels directly to the fairgrounds with an estimated construction cost of $5.39 million (equivalent to approximately $ today).

Bidding and proposals

In December 1958, the Seattle Transit System initiated the bidding process for the design and construction of a monorail, attracting submissions from Lockheed Corporation, St. Louis Car Company, General Monorail of San Francisco, and the German company Alwac International, known for installing the Disneyland Monorail in California. The Northrop Corporation presented an alternative proposal in February featuring a unique gyroscope-powered system that eliminated the need for a third rail or overhead catenary. By April 1959, the Seattle Transit Commission had chosen Lockheed to construct a $5 million monorail running along 5th Avenue from Pine Street to the fairgrounds, with an anticipated opening in 1961. Lockheed’s concept involved a straddle-beam monorail with three sleek trains designed to resemble jetliners.

Conceived as a highlight of the Century 21 Exposition and a stimulus for future citywide rapid transit expansion, the monorail was planned without reliance on local transit funding. Fare revenues were expected to cover operational expenses, while capital costs might be offset by Lockheed repurchasing the system after the event. However, after the fair’s duration was shortened from eighteen months to six, the transit commission’s enthusiasm waned due to financial uncertainties and ongoing negotiations into early 1960.

In February 1960, Alwac International, which had previously estimated its Alweg monorail system at $3.5 million, proposed to finance and construct the project at no expense to either the city or fair organizers. Their plan involved collecting farebox revenue, concession income, and a surcharge on fair tickets, with ownership transferring to the city upon full repayment of costs; failure to repay would result in dismantling the system. Lockheed responded with an updated bid including a $1 million buyback clause but was ultimately set aside in favor of new proposals from Alwac and French company SAFEGE.

Negotiations were assumed by the Century 21 Steering Committee, which signed a preliminary construction agreement with Alwac on May 20, 1960. The route was established along 5th Avenue stretching from Pine Street and Westlake Avenue to the fairgrounds—an area that would later become a permanent pedestrian mall. On December 22, 1960, Alwac finalized the design contract with revised costs of $4.2 million to accommodate larger trains and station facilities. The definitive construction and operational contract followed on May 13, 1961. Additionally, Century 21 had considered implementing a small suspended monorail people mover around the fairgrounds in April 1961 but abandoned it five months later due to funding difficulties.

Construction and preparations

In March 1961, Seattle’s Board of Public Works granted permits for construction and street usage related to the monorail project, which was being carried out by Century 21, Alwac, and local contractor Howard S. Wright Construction Company. Howard S. Wright also became an equity partner by investing $375,000 (equivalent to approximately $ in current dollars) and had prior experience building landmarks such as the Space Needle and Seattle Center Coliseum. The permit stipulated removal of the monorail within six months after the exposition’s conclusion; however, Alwac planned to offer it for sale to the city. Finalized design plans were released in October 1961 while two railcars were under production at the Linke-Hofmann-Busch factory in West Germany. Groundbreaking occurred on April 6, 1961, at Westlake Mall during "Monorail Day," which included speeches and complimentary tickets for attendees.

Construction began with wooden forms for the initial column of eighty laid in early May; concrete pouring commenced on May 23 between Virginia and Lenora streets. A crane installed Y-shaped columns weighing 54 short tons each on June 15. Work on concrete foundations for the Westlake Mall terminal started late June with platforms planned approximately 25 feet above Pine Street. Precast concrete beams weighing around 60 short tons were fabricated in Tacoma and transported under special highway commission approval, with installation of the first beam occurring on September 21 between Virginia and Stewart streets. Column erection and girder placement continued for about eight months while maintaining traffic flow on 5th Avenue.

Steel girders arrived at Westlake Mall terminal in October followed by progress at Seattle Center terminal. By December 1961, track installation was nearly complete while stations were approximately 54% finished, utilizing roughly 14,700 short tons of concrete and 970 short tons of steel. The final guideway beam was put into place on January 9, 1962, completing a total of 5,200 feet of track. In February 1962, Seattle Transit Commission contracted Century 21 staff to operate the monorail. Employee uniforms featured blue-and-white poplin material specifically designed for the exposition.

The first monorail train—dubbed the "Blue Train"—was shipped in four segments from Bremen to Newark before being transported by rail to Seattle, arriving on February 19, 1962, when it was immediately placed onto the track. Initial test operations began March 3 at reduced speeds. Jim West, an experienced transit operator from Seattle, piloted this inaugural test run. Test rides included televised demonstrations and a preview event for dignitaries following a ribbon-cutting ceremony at the Westlake terminal on March 12. The second train—the "Red Train"—arrived March 27 and was installed at Seattle Center terminal. It conducted its first test run on April 10 and briefly replaced the Blue Train in passenger service prior to the fair's opening.

World's Fair

Prior to the Century 21 Exposition, the Space Needle and monorail were unveiled for public viewing on March 24, 1962. The first journey departed from the Westlake terminal, carrying 130 passengers who were each given commemorative medals. On opening day, approximately 9,600 individuals experienced the Blue Train, with around 24,000 riding during the preview weekend; however, service was cut short on the initial day due to a mechanical malfunction. The official inauguration took place on April 19, following a total of 179,000 riders during the preview period.

The exposition officially commenced on April 21. Adult fares for the monorail were priced at 50 cents for a single trip and 75 cents for a round-trip, with discounted tickets available for children. Operating hours spanned from 8:45 a.m. until 12:15 a.m., with each journey lasting approximately 96 seconds. Throughout the fair’s duration until October 21, the monorail transported 7.4 million passengers—accounting for nearly 90% of attendees. Among its notable riders was astronaut John Glenn, who took a trip shortly after returning from orbit; in tribute, the red train was temporarily renamed "Friendship 21." Other prominent visitors included Governor Albert D. Rosellini, Senator Warren G. Magnuson, and NASA scientist Wernher von Braun. Following the fair’s conclusion, service was scaled back to a single train operating between 11:00 a.m. and 11:00 p.m., averaging about 1,200 daily riders.

Revenue generated from fares between March 24 and September 17 fully recouped the $4.2 million cost of construction. After the fair ended on April 21, 1963, Alwac maintained temporary ownership while the city evaluated options for demolition or sale. Alwac’s permit for street use was extended through October. Among various proposals was one by Samuel J. LeFrak to sell the monorail system to New York City for use at the 1964 World's Fair.

On June 3, 1963, ownership of the entire system—including terminals and administrative offices—was transferred by Alwac to Century 21 Center, Inc., which managed the fairgrounds; this transfer was executed without financial compensation. This ensured uninterrupted operation and continued contractual arrangements with both municipal authorities and Seattle Transit System.

Ownership transfer and early years

By late 1964, Century 21 Center, Inc., burdened with $2 million in debt, entered negotiations with city officials regarding municipal takeover of fairground operations; Seattle Center property remained under city ownership. To reduce expenses, ticket booths were removed in October 1964 and fare collection shifted to onboard personnel. As part of efforts to resolve debts and liquidate assets, Century 21 offered to sell the monorail to the city for $600,000. However, trustees declined responsibility for ownership or demolition costs, extending discussions until April 1965 when an agreement was reached to terminate contracts and transfer control to the city. The monorail changed hands in May for $775,150, including forgiveness of $414,128 in debt.

Seattle Center reopened on June 1, 1965; simultaneously, monorail fares were reduced to 25 cents per adult ride to encourage increased usage. Operating hours were extended until midnight on weekdays and Saturdays, resulting in ridership doubling within the first week compared to the previous year. In that same year, property owners along the route filed lawsuits concerning adverse effects on views and living conditions; these disputes were settled in 1968 with payments totaling $776,249 to obtain easements across 82 properties.

By the late 1960s, weekday monorail usage averaged around 10,000 passengers daily and rose to approximately 14,000 during summer weekends. Until January 1, 1973, Seattle Transit System managed operations before Metro Transit incorporated it into a broader county transit network. Ownership remained with the city while operational responsibilities were contracted to Metro Transit using funds allocated by Seattle Center. In conjunction with a traveling exhibition featuring Tutankhamun artifacts at Seattle Center in 1978, Metro Transit repainted and renumbered monorail vehicles—the former red train was changed to green—an event that contributed to an increase in ridership reaching 2.8 million that year.

Renovations and preservation

Originally, the southern endpoint at Westlake Mall was a substantial station extending across Pine Street along Westlake Avenue. It featured a sloped moving walkway that connected street level to three elevated platforms beneath a distinctive "scalloped" roof. Between January and April 1968, the terminal underwent significant remodeling to accommodate plans for an expanded downtown park. This renovation reduced the station's footprint by eliminating outer platforms and replacing the ornate roof with a more straightforward design. In 1974, an urgent repair costing $100,000 was necessary to replace metal shields designed to catch debris dropped by passengers.

A major overhaul completed in 1988 was undertaken to integrate the new Westlake Park and the adjacent Westlake Center shopping mall and office complex. The original terminal had long been viewed as an eyesore impeding retail redevelopment efforts dating back to the late 1960s. Multiple concepts for the block north of Pine Street—including hotels, theaters, an art museum, and a new monorail terminal—failed to come to fruition. Following legal challenges by preservation advocates, a proposal developed by The Rouse Company alongside a local developer received approval in late 1985.

This approved plan involved demolishing the original terminal to establish a public park while relocating train operations to a new station integrated within the mall. Initial opposition arose due to difficulties reconstructing tracks; proposed solutions included shifting support columns onto the 5th Avenue sidewalk and employing gauntlet tracks or retractable ramps. During mall construction, service was maintained via a temporary station. The relocation effort was projected to cost $19 million and relied heavily on federal funding that was initially declined by the Urban Mass Transportation Administration. Alternatives considered ranged from operating a single train, selling the system, or complete demolition. In March 1986, the city allocated $2.7 million toward planning the renovations.

By July 1986, a federal grant of $5.6 million was secured for the relocation project; construction of the temporary terminal at 5th Avenue and Stewart Street had commenced two months earlier. The original Westlake Mall terminal ceased operations permanently on September 1, 1986, followed by demolition over the next two months. The temporary facility opened on September 17, initially serving only the blue train on a platform measuring 140 feet. In March 1987, following progress on excavating the Downtown Seattle Transit Tunnel, city council approved $7 million for building the permanent terminal.

The scope of work included electrical system upgrades, expansion of the Seattle Center terminal, and train maintenance. An extensive interior renovation was curtailed after costs exceeded budget by $1.7 million; final improvements comprised new paneling and flooring. Westlake Center officially opened on October 20, 1988; shortly thereafter, the new monorail terminal operated briefly before closing for additional construction. Engineers discovered that due to a malfunctioning hinge pin in a retractable boarding ramp, the west track was positioned two inches too close to both the platform and mall structure. This issue delayed the terminal's opening by four months; it eventually commenced service on February 25, 1989, coinciding with the return of the red train.

In 1994, operation shifted from Metro Transit to a private company under a decade-long contract; previously, Metro had supplied drivers and maintenance support while Seattle Center handled ticketing and cleaning services. Between 1998 and 2000, construction of the Experience Music Project (now Museum of Pop Culture) took place over monorail tracks near their northern terminus; its design featured tracks running through a valley within the building accompanied by exhibit windows overlooking the guideway. In April 2003, both monorail tracks and vehicles were designated as historic landmarks amid city expansion plans; this status protected trains but excluded guideways to allow for future reuse.

The monorail suspended operations on March 16, 2020 due to reduced ridership amid the COVID-19 pandemic. It resumed limited service on May 28 without cash ticket sales but was forced to close again during weekend protests in Downtown Seattle. Ridership in 2020 plummeted to roughly 300,000 passengers—approximately 15 percent compared to the previous year’s total.

Station enhancements

In October 2019, the monorail was integrated into the regional fare network, initially accepting mobile ticketing and subsequently the ORCA card. In anticipation of the NHL's Seattle Kraken debut at Climate Pledge Arena in 2021, Seattle Monorail Services announced in February 2020 plans to upgrade terminals to accommodate increased passenger volumes. The Westlake Center station underwent expansion to process up to 6,000 passengers per hour, featuring new fare gates and ticket vending machines compatible with ORCA cards and traditional tickets. To encourage reduced automobile use, the Kraken ownership pledged funding for complimentary transit passes for game attendees. Although a second phase was proposed to include a covered pedestrian walkway and an additional entrance at Westlake, this plan was eventually discontinued. Additionally, NHL Seattle acquired a half ownership stake in Seattle Monorail Services.

Work commenced in April 2021 with interior demolition at the station, necessitating a complete service halt lasting several weeks. A further month-long closure occurred in September to finalize the enlarged Westlake terminal ahead of arena events set for late October. The monorail resumed operations on October 11, 2021, with the refurbished Westlake terminal engineered to manage up to 3,000 passengers per hour during event periods. Financing comprised $6.6 million from private sources alongside a $5.5 million grant from the Federal Transit Administration. Renovations for the Seattle Center terminal are scheduled for a future phase.

Following Climate Pledge Arena's inauguration, ridership on the monorail has recovered to levels observed before the pandemic, with notable growth during off-peak hours. On June 29, 2023, artist Brady Black painted portraits of MLB players and local sports enthusiasts on sixteen monorail columns along 5th Avenue; this project was commissioned by Visit Seattle to honor the 2023 MLB All-Star Game hosted in the city. In 2024, additional columns were adorned with linocut artworks created by local students depicting Seattle’s landmarks and events.

Expansion proposals

There have been longstanding considerations to expand the monorail into a broader rapid transit network across the city. In 1961, entrepreneur Ben B. Ehrlichman proposed extending the incomplete monorail line northward toward Alderwood Manor or Mountlake Terrace and southward reaching Seattle–Tacoma International Airport, Kent, and Renton. The initial phase was projected to cost $60 million (equivalent to $ in current dollars), with plans for a separate Eastside line utilizing a floating bridge. In 1963, Marmion D. Mills, former manager of Seattle Transit System, suggested a monorail connection linking Seattle with Mountlake Terrace, Kent, and the airport due to concerns over expenses tied to traditional subway construction and freeway expansions.

The Forward Thrust initiative included ballot measures aiming to establish a conventional rapid transit system in King County supported by federal funding; however, these proposals were rejected by voters in both 1968 and 1970. While regional monorail extensions were evaluated by planners, they concluded that such systems lacked the capacity and operational flexibility offered by standard rail trains. In 1976, ABAM Engineers presented an ambitious proposal for an 83-mile network encompassing 41 stations and deploying 700 vehicles at a cost of $500 million (in contemporary dollars) for the Puget Sound Council of Governments; nevertheless, this plan did not advance.

In 1970, city officials announced intentions to extend the monorail toward a Mercer Street parking structure near a proposed stadium site but abandoned these plans after changes to stadium location occurred. A study conducted in 1979 examined potential improvements including creating a closed loop around Seattle Center and adding an infill station at Denny Regrade, as well as converting the system into an automated people mover utilizing smaller vehicles. Renewed interest emerged during the energy crisis of the 1970s alongside federal transit funding opportunities; however, Seattle’s proposals were ultimately declined by the Urban Mass Transit Administration.

ETC and Seattle Monorail Project

The Regional Transit Authority, which later became Sound Transit, was founded in 1993 with the goal of creating a regional light rail system that voters approved in 1996. That same year, taxi driver Dick Falkenbury introduced a separate citywide monorail proposal through a ballot initiative. His concept featured an X-shaped network linking Downtown Seattle with Ballard, Lake City, the Rainier Valley, and West Seattle, estimating costs at $850 million (1996 dollars). In November 1997, Initiative 41 passed with 53% voter support, establishing the Elevated Transportation Company (ETC) to pursue funding.

The city appointed an ETC board (later renamed the Seattle Monorail Project) and provided initial planning funds but rejected a $4 million feasibility study in 2000. The original initiative was repealed and replaced by a new plan approved in November 2000, which allocated $6 million for further study. The first route—the 14-mile "Green Line" stretching from West Seattle to Ballard—was projected to cost $1.75 billion and was to be financed by a motor vehicle excise tax narrowly approved in 2002, leading to the formation of the Seattle Popular Monorail Authority.

Initial bids from Hitachi and Bombardier were withdrawn in 2004 due to pricing concerns and contractor availability. The project encountered delays attributed to lower-than-anticipated tax revenues and design modifications aimed at reducing expenses while targeting a revised 2009 launch. A recall attempt in 2004 did not succeed, allowing the initiative to continue. In June 2005, a preliminary agreement was reached with Cascadia Monorail; however, full financial disclosures required by the city were not submitted. Subsequently, an $11 billion cost estimate—including debt service through 2050—was withdrawn following public backlash.

After voters rejected a fifth ballot measure in November 2005 by 64%, the monorail project—including a $4.9 billion financing plan for a 10-mile segment—was discontinued. The Seattle Monorail Project officially disbanded in January 2008 after expending $124.7 million on planning and property acquisition. Elements of the "Green Line" corridor were later integrated into the Sound Transit 3 light rail ballot measure passed in 2016. This light rail extension, anticipated to open during the 2030s, drew upon aspects of earlier monorail feasibility studies.

Accidents and incidents

On October 20, 1962, the red train collided with a bumper stop at the Westlake terminal—the first recorded accident on the monorail system. Although none of the approximately 400 passengers were harmed, damage to the train’s nose and window required two hours of repairs before service resumed. A comparable event occurred on August 14, 1963, when brake failure caused the red train to strike the bumper during a test run.

The first significant accident took place on July 25, 1971, when brake malfunction led the red train to crash into a girder at the Seattle Center terminal at speeds between 15 and 20 mph, injuring 26 out of 40 passengers onboard. The front car underwent reconstruction costing $100,000 (equivalent to $ in today’s dollars), completed in June 1973 using translated blueprints from Alwac. One maintenance worker tragically died during these repairs.

On May 21, 1979, a similar brake-related incident involving the blue train resulted in injuries to 15 individuals; city officials criticized disabling the onboard speed control system despite no detected brake issues. On August 27, 1987, driver error caused the monorail to strike a bumper at the temporary downtown terminal—no injuries occurred but broken glass fell onto a nearby parked vehicle.

A fire broke out on May 31, 2004 aboard the blue train near Experience Music Project, causing minor injuries to eight passengers. The fire originated from a snapped drive shaft that damaged a collector shoe and short-circuited electrical components igniting grease and seat cushions. Passengers were safely evacuated. The red train returned to service in December 2004; after extensive repairs, the blue train resumed operation in May 2005.

On November 26, 2005, two trains collided near Westlake Center when the southbound blue train failed to yield while entering a gauntlet track. Eighty-four passengers were evacuated with two sustaining minor injuries. Repairs amounted to $4.64 million ($ in current dollars), covered by insurance, federal funds, and the private operator. Notably, Seattle Opera’s props department fabricated nine aluminum doors for these repairs. After safety testing delays, service recommenced on August 11, 2006.

On July 31, 2023, a tragic incident occurred when a 14-year-old boy from Phoenix was fatally struck by the monorail near 5th Avenue and Denny Way around 9:00 p.m. Security footage revealed he was tagging graffiti on an adjacent building’s roof at the time of impact and fell following the collision.

In popular culture

Together with the Space Needle, the Seattle Center Monorail stands as a distinctive symbol of Seattle and ranks among Washington's premier tourist destinations. It was featured in the 1963 musical film It Happened at the World's Fair, which starred Elvis Presley and was filmed during the Century 21 Exposition. Both the monorail and the Space Needle appeared on the cover of Life magazine, as well as on special stamps and coins released to commemorate the 1962 world's fair. The Monorail Espresso café, named in honor of the monorail, originated as Seattle’s first downtown coffee cart located beneath the Westlake terminal in 1980.

See also

• Transportation in Seattle
• List of monorail systems

External links

• Official website