Siemens S200
| Industry | Transportation equipment manufacturing |
|---|---|
| Headquarters | Florin, California , United States |
| Products | Light rail vehicles (including Siemens S200) |
The Siemens S200 is a high-floor light rail vehicle (LRV) produced by Siemens Mobility at their facility in Florin, California. It began operation in 2016.
This model succeeds earlier Siemens high-floor LRVs such as the SD-100/SD-160 and SD-400/SD-460. Its low-floor equivalent is the Siemens S700. Engineered specifically for the North American transit market, the S200 is adapted to fulfill the unique requirements of each transit agency.
Overview and lineage
The S200 represents Siemens' newest offering tailored for North American light rail systems, evolving from its previous generations. Siemens first entered this sector in the late 1970s with the Siemens–Duewag U2, originally manufactured in Düsseldorf, West Germany. Later high-floor vehicles were assembled in Florin, California, alongside low-floor variants such as the SD660 and S70/S700.
In 2013, Calgary Transit chose Siemens to provide 60 LRVs to update part of its aging U2 fleet. The S200 was customized to suit Calgary’s CTrain network, which features high-level platforms enabling level boarding. The second key purchaser, the San Francisco Municipal Railway, operates a combination of high platforms and street-level stops on its Muni Metro, leading to the inclusion of retractable stairs on its S200 units introduced in 2017.
Primarily designed as a high-floor vehicle for level boarding, the S200 is further modified according to each operator’s platform heights, loading gauge constraints, and service demands. All vehicles utilize direct current power supplied through overhead catenary lines via pantograph.
Operators
| Operator | Qty. |
|---|---|
| CTrain | 84 |
| Greater Cleveland Regional Transit Authority | 48 |
| Metro Transit (St. Louis) | 48 |
| San Francisco Municipal Railway | 219 |
| Total | 399 |
Calgary
Calgary initially placed an order for 60 S200 LRVs in September 2013 at a cost of $200 million; this was subsequently increased to 63 vehicles valued at $201.6 million. The first unit arrived in January 2016. Following that, six additional cars were delivered starting in May 2019, entering service by July of the same year. In February 2020, Calgary expanded its order with 15 more LRVs, bringing the total fleet count to 84.
These trains include sophisticated features designed for Calgary’s weather and operational environment: heated flooring and triple-pane windows for enhanced insulation during winter conditions; sloped entrances replacing previous moving ramps; and an audio system that modulates volume based on passenger density. Interior LED lighting adjusts brightness dynamically according to external light levels, while repositioned end doors facilitate improved passenger circulation and incorporate LED indicators showing door status. Updated infotainment systems and LED displays provide next-stop and route information, with provisions for advertising content integration. Additionally, certain elements such as LCD monitors, security cameras, and LED exterior signs have been retrofitted onto refurbished Siemens SD-160 vehicles.
San Francisco
Siemens identified the S200 light rail vehicles used in San Francisco as the S200 SF, while internally, the San Francisco Municipal Transportation Agency (SFMTA) refers to them as LRV4. These S200 units are intended to supplant earlier models from Boeing-Vertol (LRV1) and AnsaldoBreda (LRV2 and LRV3).
In September 2014, SFMTA placed an initial order for 175 LRVs valued at $648 million, followed by further procurements in 2015, 2017, and 2021. The entire Muni Metro fleet will be replaced by these S200 vehicles, which will also support service enhancements such as increased transit capacity on game days to the Chase Center and full implementation of the Central Subway line.
The debut of the first S200 LRV in active service occurred on November 17, 2017, with delivery of the complete set of 219 units anticipated by 2025.
Reliability
One of the primary objectives for the LRV4 fleet was to significantly raise the mean distance between failures (MDBF) compared to the Breda LRV2/3 models, which recorded MDBF figures between 2,000 and 5,500 miles during 2005-06. Siemens committed to achieving an MDBF target of 25,000 miles. Initially, the LRV4’s MDBF was approximately 5,000 miles but improved substantially to 17,000 miles by January 2020.
Seating
Based on ridership feedback and recommendations from SFMTA personnel, an all-longitudinal seating configuration was adopted for the first 68 LRV4 vehicles in the "future fleet." This arrangement places seats along the sides rather than in forward-facing rows, resulting in wider aisles. It is preferred by disability advocates, increases standing capacity, and better accommodates bicycles—limited onboard to folding types.
However, these early LRV4 cars featured simple flat benches lacking the individual seating contours present in Breda models. In November 2019, Muni announced plans for a retrofit: half of these flat benches would be replaced with single transverse seats and the other half with individual longitudinal seats. Among the subsequent "replacement fleet" of 151 cars, 50 will follow this retrofit design while 101 will include double transverse seats instead of singles. Additionally, seat heights will be lowered to better serve passengers shorter than 5 ft 4 in.
Cleveland
The Greater Cleveland Regional Transit Authority (GCRTA) intends to purchase 24 S200 vehicles to succeed its heavy rail trains on the Red Line, with an option for an additional 36 units aimed at replacing light rail vehicles operating on the Blue, Green, and Waterfront lines. By March 2025, a total of 48 cars had been ordered.
GCRTA’s S200s will be equipped with steps at both front and rear doors to facilitate street-level boarding along with manually operated trapdoors designed for high-level platform access on the Red Line. Since S200 cars are narrower than the current Tokyu trains, station modifications will be necessary.
The procurement was announced in January 2023 and finalized in May after obtaining a Federal Transit Administration grant. These vehicles are anticipated to commence service in Cleveland by 2026.
St. Louis
In May 2023, Metro Transit St. Louis revealed plans to acquire a fleet of 48 new vehicles intended to replace its aging SD-400 light rail cars. The selected S200 models will incorporate battery-powered operation capabilities allowing travel on segments without overhead wires, thereby improving operational flexibility for future network expansions.
San Francisco
In April 2019, San Francisco's S200 light rail vehicles (LRV4) experienced several malfunctions, including problems with doors, couplers, and braking systems, which led to service interruptions and increased passenger congestion. Due to these issues, the San Francisco Municipal Transportation Agency postponed a $62 million payment to Siemens.
On April 12, 2019, a passenger sustained serious injuries after becoming caught in a door on the N-Judah line, marking the fourth incident involving the LRV4 door mechanism. As a safety measure, rear doors on the S200 trains were secured shut until Siemens redesigned the door sensor system under warranty, allowing normal service to resume by June 2019.
That same day, a defective shear pin was detected in the couplers of a two-car LRV4 set. These shear pins are designed to allow couplers to disengage during collisions to protect passengers and operators. The defect posed a risk of unintended train separation, prompting Muni to temporarily operate single-car trains. Subsequent inspections found approximately one-third of couplers were compromised.
Muni also reported that frequent emergency braking accelerated wheel wear, sometimes reducing the operational LRV4 fleet to half its size. Investigations revealed that maintenance personnel had overtightened coupler adjustment screws, placing excessive stress on shear pins and causing failures. In response, maintenance protocols were revised and components redesigned.
Service with two- and three-car trains resumed in June 2019 but was suspended again in December due to repeated shear pin failures attributed to San Francisco’s steep terrain. Siemens supplied replacement parts under warranty and completed a coupler redesign by late 2021, effectively resolving these issues.
In addition, flaws in brake system design and gaps in operator training contributed to wheel damage. Although emergency brakes on the S200s are effective, their activation disables anti-lock braking, resulting in flat spots on wheels. To address this, the braking system was redesigned in late 2019 with the addition of track brakes; modifications were finalized in 2020 to enhance reliability and reduce maintenance expenses.
Calgary
Calgary Transit's S200 LRVs, designated Series 9, encountered minor difficulties in October 2016. Software errors triggered a safety mode that lowered service speeds from , while slow door operation caused delays. Siemens technicians resolved these issues promptly, allowing continued operation of the S200 fleet.
Following the incidents with San Francisco's S200 trains in April 2019, Shane Keating, chair of Calgary City Council's transportation committee, requested an evaluation of Calgary's S200 vehicles. Calgary Transit highlighted its stringent maintenance and inspection routines and noted that their trains’ door specifications differ from those used in San Francisco.
See also
- Siemens–Duewag U2
- Siemens SD-100 and SD-160
- Siemens SD-400 and SD-460
- Siemens SD660
- Siemens P2000
- Siemens S700 and S70