Content references source material no longer available at its original location.
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 services…
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…
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…
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…
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 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…