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Network-Level Evaluation Tool Showed that ITS Deployments in Michigan Reduced Traffic Network Delays by 18.6 Percent and Traffic Safety Costs by 4.0 Percent.

METHODOLOGY This study developed a robust planning-level benefit/cost calculation methodology that used various existing roadway data resources (average annual daily traffic, congestion data etc.),…
Content type
Date Posted
07/29/2022

Simulator Study Finds That Drivers Reduced Visual Scanning Behavior at Intersections when Using Assistive Systems.

Methodology Using 24 licensed driver participants driving in a simulated city environment, CAVIMAS was used to analyze behavior in three common intersection-related crash types, left turn across path…
Content type
Date Posted
07/27/2022

Using ITS Microwave Vehicle Detection Sensors Instead of Operating 14 Continuous Count Station Sites Was Estimated to Save Michigan DOT $48,959 Per Year.

METHODOLOGY Firstly, existing CCS sites were evaluated via redundancy and sufficiency analysis. Then both CCS sites and ITS-MVDS sites were analyzed to identify ITS sensors that could replace…
Content type
Date Posted
08/26/2021

Regional Truck Parking Information and Management Systems have a benefit-to-cost ratio of 4.27.

A benefit-to-cost estimated for the MAASTO TPIMS estimated as part of the 2015 TIGER Grant application using the TIGER BCA Resource Guide was based on project performance data collected from the…
Content type
Date Posted
01/30/2019

Integrated Vehicle-Based Safety System use results in 48 percent reduction in lane departure rate for light vehicles, with similar trend for heavy trucks.

MethodologyThe IVBSS were introduced into two vehicle fleets: 16 light vehicles and 10 Class 8 tractors. The light vehicles were operated by 108 volunteer drivers for 6 weeks, and the heavy trucks…
Content type
Date Posted
07/26/2011

Drivers recommend use of Integrated Vehicle-Based Safety Systems, but price remains a factor.

MethodologyThe IVBSS were introduced into two vehicle fleets: 16 light vehicles and 10 Class 8 tractors. The light vehicles were operated by 108 volunteer drivers for 6 weeks, and the heavy trucks…
Content type
Date Posted
07/26/2011

A Dynamic Speed Feedback Sign (DSFS) is Most Effective at Reducing Vehicle Speeds on a Freeway Ramp When the Sign is Placed 250 Feet After the Start of the Ramp Curve.

Ensure a minimum of 250 feet radar activation range. This study found strong sign-related effects associated with the radar detection range. With the DSFS installed near the start of the curve, the…
Content type
Date Posted
09/16/2022

Use Mobile Road Weather Information Sensors and Maintenance Decision Support Systems to Reduce Material Usage and Increase Cost Savings for Winter Road Maintenance Operations.

Use mobile RWIS and MDSS to reduce material usage and increase cost savings. CDOT reported that districts that used mobile RWIS reported an approximate 20 percent reduction in material usage,…
Content type
Date Posted
05/31/2022

Deploy Traffic Optimization Applications for Connected and Automated Vehicles at Moderate or High Traffic Volume and Delay Signalized Intersections to Maximize Its Effectiveness.

The following are the recommendations gathered based on the simulation analysis of TOSCo equipped vehicles conducted at the two suburban corridors.  Deploy TOSCo at Moderate or High Traffic…
Content type
Date Posted
05/31/2022

Michigan’s ITS Microwave Vehicle Detection System Had Construction Costs of $45,845 per Device Alongside Average Operation and Maintenance Cost of $1,908 per Device per Year.

This project evaluated the accuracy of traffic volume data collected by Intelligent Transportation Systems-Microwave Vehicle Detection System (ITS-MVDS) sites geographically distributed throughout…
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Made Public Date
08/26/2021