| ITS Deployment Evaluation

Benefits: Spot Weather Impact Warning (WX03)

59 unique benefits found.

Dynamic Message Signs Displaying Weather Alerts Based on Roadside Pavement Sensors Were Associated with Up to a 1.5-mph Reduction in Average Speed and 2.0-mph Reduction in 85th-Percentile Speed.

Date Posted: 09/29/2022 | Source Date:

Evaluation of Road Weather Messages on DMS Based on Roadside Pavement Sensors

11/01/2021

Changing Variable Speed Limit Signs from White to Amber Legend Decreased Crashes by Approximately 50 Percent and Increased Driver Compliance by Nine Percent in Utah.

Date Posted: 02/24/2022 | Source Date:

I-80 Hybrid Regulatory Speed Limit Signing Design and VSL System Evaluation

02/01/2021

Simulation Study Estimates a Combination of Connected Vehicle Control and Variable Speed Limit Strategies Can Reduce Rear-End Crash Risk under Fog Conditions by 48.7 Percent.

Date Posted: 02/21/2022 | Source Date:

The Impact of Connected Vehicle Market Penetration and Connectivity Levels on Traffic Safety in Connected Vehicles Transition Period

08/01/2018

Simulation Study Estimates That a Fleet of Connected Vehicles Would Improve Safety Benefits from Weather-Responsive Traffic Management by 20 Percent in Severe Weather, As Measured by Inverse Time-to-Collision.

Date Posted: 02/18/2022 | Source Date:

Implementation of Analysis, Modeling, and Simulation Tools for Road Weather Connected Vehicle Applications Project Report

11/01/2020

Crashes during Snow Events Declined 42 Percent after Winter Season Variable Speed Limit Corridor Implementation in Ohio.

Date Posted: 06/21/2021 | Source Date:

Lake 90 Variable Speed Limit Corridor

05/20/2020

A simulation study modeled the impacts of a weather-responsive traffic signal timing system in Waterloo, Canada and estimated the system can reduce total intersection delay up to 20 percent.

Date Posted: 07/23/2020 | Source Date:

Effects of winter weather on traffic operations and optimization of signalized intersections

01/02/2019

UDOT’s Citizen Reporter app that utilizes crowdsourced road condition data produces annual savings of $250,000 in weather surveillance costs.

Date Posted: 12/11/2019 | Source Date:

Crowdsourcing for Operations

08/02/2019

Drivers are more accepting of on-road dynamic messages/warnings than in-vehicle message/warnings.

Date Posted: 10/09/2019 | Source Date:

Technology Acceptance Comparison between on-Road Dynamic Message Sign and on-Board Human Machine Interface for Connected Vehicle-Based Variable Speed Limit in Fog Area

09/19/2019

Rapid deployment of DSRC for connected vehicles can save thousands of lives, regardless of whether a later transition to C-V2X proves advantageous.

Date Posted: 07/23/2018 | Source Date:

DSRC vs. Waiting for C-V2V: Lost Benefits and a Proposed Dual-Mode Solution

12/13/2017

A mobile weather responsive traffic management system saved the Wyoming DOT more than one person-year of labor costs.

Date Posted: 02/17/2017 | Source Date:

Wyoming Department of Transportation (WYDOT) Road Condition Reporting Application for Weather Responsive Traffic Management: Final Report

10/02/2015