Content that references this location
Highway Advisory Radio (HAR) can provide route diversion information during periods of congestion when phone and internet travel advisory systems are not available; benefit-to-cost ratios can range from 4:1 to 16:1 assuming a 5 to 20 percent complian
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Findings
Based on the online surveys of state department of transportation and emergency management, ongoing benefits of HAR include:
Provides more detail than other traveler information…
Content type
Date Posted
03/21/2018
Taxonomy (ARC-IT)
Broadcast Traveler Information (TI01)
Geolocation links
Benefit-Cost Ratios of up to 25.8:1 have been produced in regions with aggressive Freeway Service Patrol programs.
FINDINGSVery few of the programs surveyed reported conducting an official benefit-cost ratio analysis. Currently, no national standard exists for measuring the benefit-cost ratio of service patrol…
Content type
Date Posted
03/26/2014
Taxonomy (ARC-IT)
Roadway Service Patrols (PS08)
Variable Pricing Systems worldwide indicate an increase in transit use and improved travel times and speeds system wide (priced lanes and general purpose lanes).
FINDINGSConversion of HOV lanes to HOT lanesEarly evaluations in San Diego (I-15 FasTrak) and Houston (US-290 and I-10 QuickRide) indicated that HOV to HOT conversions can increase lane use by 21 to…
Content type
Date Posted
11/30/2011
Taxonomy (ARC-IT)
Parking Electronic Payment (PM03),
Integrated Decision Support and Demand Management (TM09),
Road Use Charging (TM11),
Electronic Toll Collection (TM10)
Geolocation links
Singapore | Statewide, Florida, United States | Florida, United States | Houston, Texas, United States | San Diego, California, United States | California, United States | San Francisco, California, United States | Hoboken, New Jersey, United States | Statewide, Oregon, United States | Minneapolis, Minnesota, United States | Washington, United States | London, England
An analysis of the effectiveness of electronic stability control (ESC) at reducing single-vehicle crashes in passenger cars and SUVs (1997-2002 crash data from five States) suggested that single-vehicle crashes were reduced by 35 percent for passenge
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Based on all police-reported crashes in 7 states over 2 years, electronic stability control (ESC) reduced single-vehicle crash involvement risk by approximately 41 percent and single-vehicle injury crash involvement risk by 41 percent.
Notes:Florida, Illinois, Kansas, Maryland, Missouri, New Mexico, and Utah
Content type
Date Posted
05/29/2008
Taxonomy (ARC-IT)
Autonomous Vehicle Safety Systems (VS01)
In Florida, the Road Ranger Service Patrol program saved over 1.7 million gallons of fuel by eliminating over one million vehicle-hours of delay in 2004.
Content type
Date Posted
03/26/2007
Taxonomy (ARC-IT)
Roadway Service Patrols (PS08)
Geolocation links
Continuous Outreach and Engagement Contributes to the Success of Technology Deployment.
This study led to the following lessons learned:
“Collaboration between public and private sector stakeholders resulted in an overall better understanding of the individual segments of the petroleum…
Content type
Date Posted
04/30/2021
Taxonomy (ARC-IT)
Freight Administration (CVO02),
Freight-Specific Dynamic Travel Planning (CVO09),
Freight Drayage Optimization (CVO11)
Geolocation links
Avoid using blank messages on dynamic message signs (DMS) including dashes for travel time applications as drivers may not understand these signs or assume they are broken.
Avoid using blank messages including dashes for travel time applications as drivers may not understand these signs or assume they are broken. For applications that provide comparative travel times, a…
Content type
Date Posted
09/26/2017
Taxonomy (ARC-IT)
Traffic Information Dissemination (TM06),
Integrated Decision Support and Demand Management (TM09)
Geolocation links
Average cost to install a highway advisory radio station ranged from $40,000 to $50,000 as reported by agencies that continue to use this technology.
Content references source material no longer available at its original location.
Highway advisory radio (HAR) is an older strategy for disseminating traveler information, but it is still valuable for regional traveler information, especially in emergencies. To understand the…
Content type
Made Public Date
02/26/2018
Taxonomy (ARC-IT)
Broadcast Traveler Information (TI01)
Geolocation links
INTELLIGENT TRANSPORTATION SYSTEMS JOINT PROGRAM OFFICE
1200 New Jersey Avenue, SE
Washington, DC 20590
