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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.

Methodology Three weather-responsive management strategies (WRMS) for I-80 in Wyoming were evaluated using a framework consisting of a simulation platform network module, a simulation manager…
Content type
Benefit
Date Posted
02/18/2022
Taxonomy (ARC-IT) Roadway Automated Treatment (MC03), Personalized Traveler Information (TI02), Weather Information Processing and Distribution (WX02), Spot Weather Impact Warning (WX03), Winter Maintenance (MC04), Variable Speed Limits (TM20)
Geolocation links
Wyoming, United States   |   Chicago, Illinois, United States

Standardize Mobile Weather Sensor Data For Use Under Future Connected Vehicle-Enabled Weather Responsive Traffic Management Systems.

The following summarizes the lessons learned from the pilot implementation in Washington State and Delaware and the WRTM stakeholder meeting that took place in Raleigh, NC in 2017. Plan for a…
Content type
Lesson
Date Posted
01/27/2022
Taxonomy (ARC-IT) Roadway Automated Treatment (MC03), Traffic Information Dissemination (TM06), Winter Maintenance (MC04), Weather Information Processing and Distribution (WX02)
Geolocation links
Washington, United States   |   Delaware, United States

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

Minnesota DOT Uses Connected Arrow Boards to Improve Traveler Information and Lane Closure Information Accuracy at an Estimated Annual Cost of $16,560.

Starting in April 2018, Minnesota DOT (MnDOT) tested the integration of lane closure messages from 20 connected arrow boards with the agency's existing Advanced Traffic Management System (ATMS)…
Content type
System Cost
Made Public Date
04/30/2021
Taxonomy (ARC-IT) Vehicle-Based Traffic Surveillance (TM02), Roadway Automated Treatment (MC03), Traffic Information Dissemination (TM06), Weather Information Processing and Distribution (WX02), Spot Weather Impact Warning (WX03), Work Zone Management (MC06)
Geolocation links
Minneapolis, Minnesota, United States

Connected vehicle warning systems should provide drivers with actionable information that supplements in-vehicle alerts.

CV warnings are effective, but designers should be sure to give drivers actionable information along with a warning. Simply alerting drivers to upcoming bad weather conditions "did not prompt…
Content type
Lesson
Date Posted
02/25/2020
Taxonomy (ARC-IT) Roadway Automated Treatment (MC03), Traffic Information Dissemination (TM06), Weather Information Processing and Distribution (WX02), Spot Weather Impact Warning (WX03)
Geolocation links
Statewide, Wyoming, United States

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

The Utah Department of Transportation (UDOT) developed a smartphone app, The Citizen Reporter, that provides a conduit for the traveling public to report road and weather conditions in real time to…
Content type
Benefit
Date Posted
12/11/2019
Taxonomy (ARC-IT) Roadway Automated Treatment (MC03), Personalized Traveler Information (TI02), Weather Information Processing and Distribution (WX02), Spot Weather Impact Warning (WX03), Traffic Information Dissemination (TM06)
Geolocation links
Utah, United States

Arizona DOT utilized $6.5 million in FASTLANE grant funds to deploy dust detection system along I-10 stretch prone to blowing dust.

Along with the threat from monsoon storms in the summer and fall, conditions on stretches of I-10 are such that strong wind any time of the year can suddenly produce localized dust that severely…
Content type
System Cost
Made Public Date
11/18/2019
Taxonomy (ARC-IT) Roadway Automated Treatment (MC03), Traffic Information Dissemination (TM06), Weather Information Processing and Distribution (WX02), Spot Weather Impact Warning (WX03)
Geolocation links
Eloy, Arizona, United States   |   Picacho Peak, Arizona, United States

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

Findings Average acceptance of on-road warning systems (73 percent) is higher than average acceptance of in-vehicle warning system (64 percent) Drivers likely prefer on-road warning because they…
Content type
Benefit
Date Posted
10/09/2019
Taxonomy (ARC-IT) Roadway Automated Treatment (MC03), Traffic Information Dissemination (TM06), Weather Information Processing and Distribution (WX02), Spot Weather Impact Warning (WX03), Broadcast Traveler Information (TI01)
Geolocation links
Beijing, China

Refine proper antenna placement on connected vehicles (particularly commercial vehicles) to reduce DSRC ‘shadow’ areas where DSRC signal is degraded.

The following considerations summarize the CV Pilots’ experiences with mounting and installing CV devices along roadways and inside vehicles. Utilize professionals where possible for installations…
Content type
Lesson
Date Posted
06/07/2019
Taxonomy (ARC-IT) Speed Warning and Enforcement (TM17), Infrastructure-Based Traffic Surveillance (TM01), Integrated Decision Support and Demand Management (TM09), Traffic Signal Control (TM03), Autonomous Vehicle Safety Systems (VS01), V2V Basic Safety (VS02), Transit Vehicle at Station/Stop Warnings (PT12), Vehicle Turning Right in Front of a Transit Vehicle (PT13), Intersection Safety Warning and Collision Avoidance (VS13), Transit Pedestrian Indication (PT11), Dynamic Roadway Warning (TM12), Vulnerable Road User Safety (VS12), Carrier Operations and Fleet Management (CVO01), ITS Communications (SU07), Freight Administration (CVO02), Eco-Approach and Departure at Signalized Intersections (ST08), Vehicle Emergency Response (PS05), Wide-Area Alert (PS10), Disaster Traveler Information (PS14), Evacuation and Reentry Management (PS13), Roadway Automated Treatment (MC03), Traffic Information Dissemination (TM06), Weather Information Processing and Distribution (WX02), Transit Signal Priority (PT09)
Geolocation links
Tampa, Florida, United States   |   New York City, New York, United States   |   Wyoming, United States

Connected vehicle deployers should assess field equipment and organizational capabilities that will be needed to support core CV components.

The following lessons were identified regarding assessing the infrastructure an agency currently has versus what infrastructure they will need to deploy a robust connected vehicle environment.…
Content type
Lesson
Date Posted
03/21/2019
Taxonomy (ARC-IT) Speed Warning and Enforcement (TM17), Infrastructure-Based Traffic Surveillance (TM01), Integrated Decision Support and Demand Management (TM09), Traffic Signal Control (TM03), Autonomous Vehicle Safety Systems (VS01), V2V Basic Safety (VS02), Transit Vehicle at Station/Stop Warnings (PT12), Vehicle Turning Right in Front of a Transit Vehicle (PT13), Intersection Safety Warning and Collision Avoidance (VS13), Transit Pedestrian Indication (PT11), Dynamic Roadway Warning (TM12), Vulnerable Road User Safety (VS12), Carrier Operations and Fleet Management (CVO01), ITS Communications (SU07), Freight Administration (CVO02), Eco-Approach and Departure at Signalized Intersections (ST08), Vehicle Emergency Response (PS05), Wide-Area Alert (PS10), Disaster Traveler Information (PS14), Evacuation and Reentry Management (PS13), Roadway Automated Treatment (MC03), Traffic Information Dissemination (TM06), Weather Information Processing and Distribution (WX02), Transit Signal Priority (PT09)
Geolocation links
Tampa, Florida, United States   |   New York City, New York, United States   |   Wyoming, United States
ITS Deployment Evaluation

INTELLIGENT TRANSPORTATION SYSTEMS JOINT PROGRAM OFFICE

1200 New Jersey Avenue, SE
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its.dot.gov

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U.S. Department of Transportation Office of the Assistant Secretary for Research and Technology (OST-R)
 
 
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