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Consider Data Collection Capability When Selecting Performance Measures for Mobile Device-Based Systems.

Identify local stakeholder and transportation infrastructure needs. This could be best achieved by outreach efforts with stakeholder engagement and technical working group meetings to ensure…
Content type
Date Posted
01/31/2024

Consider Automating Weather-Related Messages on Digital Message Sign Systems, in Addition to Travel Times, Using Data from Environmental Sensor Stations.

Consider automating weather-related messages, in addition to travel times. This study clearly demonstrated that it is possible to automate the display of weather-related messages using Environmental…
Content type
Date Posted
08/31/2023

Michigan Digital Message Sign Study Reported an Installation Cost of $72,000 and an Annual Operation Cost of $2,300.

Digital Message Signs (DMS) (also referred to as dynamic message signs, variable message signs, or changeable message signs) are an important part of the Advanced Traveler Information Systems (ATIS)…
Content type
Made Public Date
08/31/2023

Evaluation of Existing Digital Message Signs in Michigan Revealed a 5.66 mph Reduction in Speed after Seeing the Weather-Related Message on Traffic Speeds.

METHODOLOGY Several field case studies were conducted to understand the effectiveness of particular messages and types of DMS, including weather-related DMS messages on driver speeds; exploring the…
Content type
Date Posted
08/31/2023

Simulation of Integrated Corridor Management in New York State Finds a Potential Full Trip Travel Time Savings of 30-40 Percent when Averaged across Incident Scenarios.

Methodology The study area encompassed nine major roadways in Suffolk County, including three county roads, five state routes, and the Long Island Expressway (I-495). The trip pattern information…
Content type
Date Posted
09/23/2022

To Maximize Route Diversion by Drivers Approaching Major Crash Incidents, Display Combined Standardized Messages with “Prepare to Stop” Along with Miles to the Crash on Variable Message Signs.

Select standardized message content specifically chosen to encourage or reduce diversion according to the desired goal. Informing drivers of a crash or traffic ahead, the number of miles to crash,…
Content type
Date Posted
06/21/2022

Add Wireless Beacons at Choke Points and Select Areas within the Transit Facility to Facilitate Accessible Location, Navigation, and Routing Services.

Enable turn-by-turn wayfinding by using wireless beacons at “choke points” and selected areas. Although testing at Turner-Fairbank Highway Research Center and Union Station demonstrated that the…
Content type
Date Posted
02/01/2022

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
Date Posted
01/27/2022