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US State: Minnesota
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Lane Constrictor Intersection Statewide Implementation
Minnesota
Lane constrictor intersections reduced fatal and injury crashes in Minnesota by 20%.
Traffic Safety Evaluation of Lane Constrictors Report
TRB Project Page
AASHTO Case Study
J-Turn Statewide Implementation
Minnesota
J-turn intersections reduced angle crashes by 67% and fatal and serious injury angle crashes by 87%.
Minnesota J-Turn Webpage
J-Turn Driver Tutorial
AASHTO Case Study
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