Crashes during Snow Events Declined 42 Percent after Winter Season Variable Speed Limit Corridor Implementation in Ohio. Methodology ODOT conducted an analysis of winter season crash and incident data from before the VSL deployment (2014-2016) compared with the first two winter seasons after deployment (2017-… Content type Benefit Date Posted 06/21/2021 Taxonomy (ARC-IT) Roadway Automated Treatment (MC03), Traffic Information Dissemination (TM06), Weather Information Processing and Distribution (WX02), Spot Weather Impact Warning (WX03), Variable Speed Limits (TM20) Geolocation links Lake County, Ohio, United States