Methodology
Researchers conducted a case study based on a 13-mile segment of I-66, between the I–495 interchange and US 29 interchange. Speed and volume data, on- and off-ramp traffic volume data,…
A research group at University of Maryland studied the effects of HOT tolling on the I-66 corridor. The team first gathered a robust mix of data sets such as toll data, probe speed data, and…
FINDINGS
The figure below extracted from the source document shows a comparison of the maximum dedicated lane throughput achieved through CACC implementation at different levels of market…
FINDINGS
The figure below extracted from the source report shows traffic speed profiles on I-66 (WB) and the potential for reduced traffic shockwaves when DSH is combined with CACC at market…
Findings
The evaluation results showed that the ATM system could increase the mean vehicle speed in the system by 13 percent compared to the baseline case. However, when subject to cyberattack…
Throughout the camera phone pilot phase, first responders captured images of incidents and forwarded them to towing companies so that the appropriate size/type of recovery vehicle could be dispatched…
By providing emergency vehicles (EV) with a green light on their approach to a signalized intersection throughout the length of their run, a jurisdiction can reap substantial benefits. Not only does…
An Emergency Vehicle Preemption (EVP) system involves many different stakeholders who may not typically communicate except during major incidents. These stakeholders will include police, fire and…
To support emergency response efforts in a major crisis, redundancy should be built into systems so that appropriate incident response activities and continuity of operations could be ensured. The…
When responding to a crisis, accurate information is essential to ensure that rumors and inaccurate information do not contribute to public confusion and hamper the management of the emergency…
The Northern Virginia Transportation Commission worked closely with the Washington Metropolitan Area Transit Authority (WMATA) to develop a Regional Software Maintenance Agreement (RSMA). The…