Indiana DOT to install intersection conflict warning systems across the state

Aug. 27, 2020

ICWS are put in place to alert drivers of oncoming traffic at two-way, stop-controlled intersections

The Indiana DOT (INDOT) will start installing the first intersection conflict warning systems (ICWS) next week in various locations across the state.

INDOT says the systems will improve safety at non-signalized, stop-controlled intersections, reducing severe crashes by up to 20% to 30%—according to the Federal Highway Administration.

ICWS are put in place to alert drivers of oncoming traffic at two-way, stop-controlled intersections. 

INDOT will install lights and signage to alert drivers on both intersecting roads that traffic is approaching or there is a waiting vehicle. The ICWS uses vehicle detection under the pavement to trigger the system. 

The ICWS uses signs and flashing yellow warning lights.

The lights and signage provide drivers with a real-time warning of vehicles either approaching the intersection on the major road or waiting at the stop sign to enter the intersection from the minor road.



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