IRIS (transportation software)
| Company type | Open-source software |
|---|---|
| Industry | Transportation, Traffic management |
| Founder | Minnesota Department of Transportation |
| Headquarters | Minnesota , United States |
Area served | United States (notably Minneapolis–Saint Paul area) |
| Products | Advanced Traffic Management System (ATMS) |
| Owner | Minnesota Department of Transportation |
| Website | iris |
IRIS (Intelligent Roadway Information System) represents an open-source Advanced Traffic Management System (ATMS) created by the Minnesota Department of Transportation. This platform allows transportation authorities to oversee and regulate traffic flow on highways and interstates. IRIS operates under the terms of the GPL license.
Functional areas
- Monitoring and control of Variable speed limits
- Implementation of Active traffic management and lane regulation
- Detection of traffic congestion
- Automated Warning System (AWS)
- Integration with Road Weather Information Systems (RWIS) and Environmental Sensor Stations (ESS)
- Supervision and management of Dynamic message signs
- Control of Ramp meter systems
- Operation of Traffic camera networks
- Use of Vehicle Detector Stations (VDS) to acquire real-time data on vehicle speed, flow, and density
- Incorporation of toll tag technology
- Incident management including tracking and archival
- Export capabilities for live traffic data, incident reports, and system configurations
- Built-in mapping features
Supported hardware devices
- DMS units
- Compatible with NTCIP Class A, B, C standards: manufacturers include ADDCO Inc., Daktronics Inc., McCain Inc., SES America Inc., Skyline, and Wanco portable DMS models
- Supports DMS XML protocol for interfacing with external message sign systems
- Road Weather Information System equipment
- NTCIP 1204 compliant drivers tested with Lufft Lcom, Campbell Scientific CR1000, Vaisala dmc586, QTT LX-RPU Elite, High Sierra ESS devices
- Optical Scientific ORG-815 Rain Gauge and SSI sensors supported
- Traffic camera models
- PTZ cameras from Manchester, Pelco D, Vicon, Infinova; switchers by Pelco and Vicon included
- VDS hardware
- Compatible with Canoga, Wavetronix SmartSensor 105/125, EIS RTMS (UDP), EIS G4, Caltrans URMS 2070 (UDP/TCP), Sensys detectors
- Tag reader technology
- Bluetooth-based readers: Iteris Velocity, Acyclica; Transcore Encompass 6 Multiprotocol Reader
Minneapolis / Saint Paul IRIS System
The IRIS system deployed in the Minneapolis–Saint Paul area comprises:
- 135 dynamic message signs (DMS)
- 5,452 vehicle detector stations (VDS)
- 4 road weather information stations (RWIS)
- 476 traffic cameras
- 433 ramp metering devices
- 194 lane control signals, many doubling as DMS units
- A single in-road lane marking illumination system
- Two fixed signs equipped with wig-wag beacon lights
Transportation agencies using IRIS
- Minnesota Department of Transportation
- California Department of Transportation
- Nebraska Department of Transportation
- Wyoming Department of Transportation
- Wisconsin Department of Transportation
See also
- Traffic flow concepts
- Issues related to Traffic congestion