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Portland Metro Freeways Systems. Loop Detectors. The detectors are currently setup to measure the speed of flow on all are metro freeways. These help ODOT to produce the map below. ATR. Automatic Traffic Recorders (ATR) - collect data year round on this freeway system. VMS and RWIS.
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Loop Detectors The detectors are currently setup to measure the speed of flow on all are metro freeways. These help ODOT to produce the map below.
ATR Automatic Traffic Recorders (ATR) - collect data year round on this freeway system
VMS and RWIS RWIS-Roadway Weather Information Systems VMS-Variable Message Signs
Cameras Allows everyone to check the roads before you go to work or home and allow ODOT to monitor the freeways. Like this camera shot below.