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Queue Warning Implemented as Part of an Integrated Active Traffic Management System Estimated to Reduce Travel Time up to 5.6 Percent and Reduce Crash Risk up to 28 Percent.

METHODOLOGY A dynamic traffic assignment (DTA) simulation platform was developed to perform microscopic simulations to test IATM control strategies. The effectiveness of each selected IATM strategy…
Content type
Benefit
Date Posted
11/30/2022
Taxonomy (ARC-IT) Integrated Decision Support and Demand Management (TM09)
Geolocation links
Orlando, Florida, United States

In Driving Simulator Study, Forward Collision and Pedestrian-to-Vehicle Warnings Reduced Crash Rates by 56 to 97 Percent in Unpredictable Pedestrian or Distraction Cases.

Methodology A total of 49 licensed drivers completed the experiment, which consisted of driving simulated scenarios both with and without the applications providing safety warnings. FCW was tested in…
Content type
Benefit
Date Posted
02/01/2022
Taxonomy (ARC-IT) Autonomous Vehicle Safety Systems (VS01), V2V Basic Safety (VS02), Transit Pedestrian Indication (PT11), Dynamic Roadway Warning (TM12), Vulnerable Road User Safety (VS12)
Geolocation links
Orlando, Florida, United States

When combined, ramp metering and variable speed limits may reduce conflicts by 16.5 percent and crash odds by 6.0 percent in weaving segments.

Findings Overall, the results showed that these ATM strategies could improve the safety of the weaving segment. The combined RM-VSL strategy reduced conflicts by 16.8 percent and decreased crash…
Content type
Benefit
Date Posted
03/20/2018
Taxonomy (ARC-IT) Emissions Monitoring (ST01), Eco-Traffic Metering (ST03), Traffic Metering (TM05), Variable Speed Limits (TM20)
Geolocation links
Orlando, Florida, United States

A prototype Integrated Dynamic Transit Operations (IDTO) system saved transit riders 13 to 39 minutes for each successfully protected trip connection.

A two-site prototype demonstration of T-CONNECT and T-DISP was conducted in Columbus, Ohio and Central Florida. (D-RIDE was not tested in practice at either site due to a partner agency withdrawing…
Content type
Benefit
Date Posted
08/31/2017
Taxonomy (ARC-IT) Multi-modal Coordination (PT14), Transit Connection Protection (PT17)
Geolocation links
Columbus, Ohio, United States   |   Orlando, Florida, United States

In Orlando, Transit Signal Priority and Bus Rapid Transit systems were estimated to reduce travel times up to 26 percent for all vehicles and reduce delays up to 64 percent for buses.

Content references source material no longer available at its original location.
Methodology Microsimulation and statistical analysis were used to develop BRT models. Analysis was performed on the I-Drive test corridor to compare performance before and after the implementation…
Content type
Benefit
Date Posted
07/31/2017
Taxonomy (ARC-IT) Transit Fixed-Route Operations (PT02), Transit Passenger Counting (PT07), Transit Signal Priority (PT09)
Geolocation links
Orlando, Florida, United States

Field data collected over the last two decades show variable speed limit (VSL) systems can reduce crash potential by 8 to 30 percent.

FINDINGS The data below excerpted from Table-1 of the source report highlights findings from the literature search.   Type of Test Location Major Findings Field…
Content type
Benefit
Date Posted
12/07/2012
Taxonomy (ARC-IT) Incident Scene Safety Monitoring (PS07), In-Vehicle Signage (TI07), Dynamic Roadway Warning (TM12), Autonomous Vehicle Safety Systems (VS01), Reduced Speed Zone Warning / Lane Closure (VS09), Variable Speed Limits (TM20)
Geolocation links
Orlando, Florida, United States   |   Covington, Virginia, United States   |   Virginia, United States   |   Utah, United States   |   Minnesota, United States   |   Germany   |   Netherlands   |   Germany   |   United Kingdom   |   Finland

91 percent of volunteer drivers that tested V2V communications safety features indicated they would like to have these technologies on their personal vehicle.

METHODOLOGY After participants were exposed to each functional application, the experimenter asked a series of questions to capture data on immediate impressions, safety application effectiveness,…
Content type
Benefit
Date Posted
08/24/2012
Taxonomy (ARC-IT) Autonomous Vehicle Safety Systems (VS01), V2V Basic Safety (VS02), Intersection Safety Warning and Collision Avoidance (VS13)
Geolocation links
Orlando, Florida, United States   |   Fort Worth, Texas, United States   |   Blacksburg, Virginia, United States   |   Alameda, California, United States   |   Brooklyn, Michigan, United States   |   Brainerd, Minnesota, United States

Between 2003 and 2007, annual operating costs and revenues at 15 tolling agencies averaged $85.825 million and $265.753 million, respectively.

This report covered an analysis of tolling systems to help state officials and other policy makers discuss the implementation and operational costs of alternative revenue-generating systems. Three to…
Content type
System Cost
Made Public Date
12/14/2011
Taxonomy (ARC-IT) Integrated Decision Support and Demand Management (TM09), Road Use Charging (TM11), Electronic Toll Collection (TM10), HOV/HOT Lane Management (ST06)
Geolocation links
St. Cloud, Florida, United States   |   Orlando, Florida, United States   |   Texas, United States   |   California, United States   |   Statewide, Delaware, United States   |   Dulles, Virginia, United States   |   Denver, Colorado, United States   |   Statewide, New Jersey, United States   |   Illinois, United States   |   New York, United States   |   Cleveland, Ohio, United States   |   Vaughan, Canada

Make aggressive use of marketing to increase call volume and improve cost efficiency of 511 services deployment.

Higher call volume leads to greater system efficiency of 511 systems because O&M costs can be distributed over many callers. Despite this fact, marketing and evaluation was the smallest cost…
Content type
Lesson
Date Posted
07/19/2010
Taxonomy (ARC-IT) Personalized Traveler Information (TI02)
Geolocation links
Miami, Florida, United States   |   Tampa, Florida, United States   |   Orlando, Florida, United States   |   Arizona, United States   |   North Carolina, United States   |   Virginia, United States   |   Kansas, United States   |   Utah, United States   |   Washington, United States
ITS Deployment Evaluation

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