IRIS (transportation software)

IRIS
	Screenshot of IRIS DMS functionality and map
Developer(s)	Minnesota Department of Transportation
Initial release	May, 2007
Written in	Java
Available in	English, uses I18N
Type	ATMS
License	GNU General Public License (V2)
Website	iris.dot.state.mn.us

IRIS (Intelligent Roadway Information System) is an open-source Advanced Traffic Management System (ATMS) software project developed by the Minnesota Department of Transportation. It is used by transportation agencies to monitor and manage interstate and highway traffic. IRIS uses the GPL license.

Functional areas

Variable speed limit monitoring and control
Active traffic management and lane control
Congestion Detection
Automated Warning System (AWS)
Road Weather Information Systems (RWIS) / Environmental Sensor Stations (ESS)
Dynamic message sign monitoring and control
Ramp meter monitoring and control
Traffic camera monitoring and control
Vehicle Detector Stations (VDS) for monitoring real-time vehicle speed, flow, density
Toll tags
Incident tracking, monitoring, and storage
Data export: real-time traffic, incidents, configuration, etc.
Integrated mapping

Supported hardware devices

DMS
- NTCIP Class A, B, C
  - ADDCO Inc.
  - Daktronics Inc.
  - McCain Inc.
  - SES America Inc., full matrix DMS, character matrix DMS
  - Skyline: full sized DMS, VSL, scroll signs
  - Wanco portable DMS
- DMS XML: a simple XML protocol for interfacing with external DMS systems
Road Weather Information System
- NTCIP 1204 device driver, validated with:
  - Lufft Lcom
  - Campbell Scientific CR1000
  - Vaisala dmc586
  - QTT LX-RPU Elite
  - High Sierra Electronics ESS
- Optical Scientific ORG-815 Optical Rain Gauge
- SSI
Traffic cameras
- PTZ: Manchester, Pelco D, Vicon, Infinova
- Switchers: Pelco, Vicon
VDS
- Canoga
- Wavetronix SmartSensor 105
- Wavetronix SmartSensor 125
- EIS RTMS (UDP)
- EIS G4
- Caltrans URMS 2070: UDP, TCP, TCP Re-ID
- Sensys
Tag readers
- Bluetooth: Iteris Velocity
- Bluetooth: Acyclica
- Transcore Encompass 6 Multiprotocol Reader

Minneapolis / Saint Paul IRIS System

The IRIS implementation in the Minneapolis – Saint Paul region consists of:

DMS: 135
VDS: 5452
RWIS: 4
Cameras: 476
Ramp meters: 433
LCS: 194 (most can also be used as DMS)
Lane marking: 1 (in-road lighting)
Static sign with wig-wag beacons: 2

Gallery

Screenshot of Minnesota Department of Transportation IRIS Client.
Real-time 1 kHz loop data collected with IRIS.

Transportation agencies using IRIS

Minnesota Department of Transportation
California Department of Transportation
Nebraska Department of Transportation
Wyoming Department of Transportation
Wisconsin Department of Transportation

External links

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Original source: https://en.wikipedia.org/wiki/IRIS (transportation software). Read more