| ITS Deployment Evaluation

Benefits: Spot Weather Impact Warning (WX03)

58 unique benefits found.

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

Respondents surveyed after two winter storms reported 83 and 95 percent satisfaction respectively per storm with UDOT's mobile traffic app and road weather reporting system.

Date Posted: 08/29/2014 | Source Date:

Utah DOT Weather Responsive Traveler Information System

10/14/2013