Displaying 1 - 9 of 9

South Carolina DOT’s Electronic Crash System Reduced Police Investigation Time by 63 Percent and Decreased Average Report Processing Time by 85 Percent.

Key benefits of SCCATTS were identified, including:
  • The roadside time police officers spend in filling out crash reports went from an average of 33 minutes to 12 minutes, a 63 percent…
04/30/2021
Taxonomy: Data Archive, Investigation

CV-based adaptive signal control has potential to increase mainline arterial speeds by an average of 5 percent and reduce maximum intersection queue lengths by 66.7 percent even with low market penetration (5 percent CV).

FINDINGSOperational performance improved even for a low CV penetration (5 percent CV) and the benefit increased with increasing CV penetration. 5 percent CV market penetration
  • Average speed…
08/22/2019
Taxonomy: Eco-Traffic Signal Timing, Connected Eco-Driving

Enabling connected vehicles to pay for priority at signalized intersections yields a benefit cost of at least 1.0 at 20 percent CV penetration and as much as 3.0 at 10 percent CV penetration when including reduced network delay for all vehicles.

FindingsConnected vehicles with signal priority experience less delay than non-connected vehicles for all priority direction scenarios up to a certain point, about 20 percent. When all directions and…
11/20/2017
Taxonomy: Advanced Signal Systems, Pricing

Connected vehicles that receive future state intersection signal control data to support predictive cruise control functions can reduce fuel consumption 24 to 47 percent.

FINDINGS
  • In a suburban driving scenario, predictive cruise control (PCC) equipped vehicles used 47 percent less fuel and generated 56 percent fewer CO2 emissions compared to…
02/09/2016
Taxonomy: Eco-Traffic Signal Timing, Connected Eco-Driving

Using sensors and traffic cameras for incident identification and verification yielded benefit-to-cost ratios of 6.54:1 and 12.47:1, respectively.

South Carolina uses sensors (loop and radar) and traffic cameras to detect and verify the location of incidents. The benefit-cost analysis in the report considered the use of these technologies in…
02/09/2016
Taxonomy: Detectors, Imaging / Video

Deploying ITS transit technologies, such as CAD/AVL and traveler information services, to coordinate community transportation services for the transportation-disadvantaged improved non-Medicaid demand response trips by 18 percent and non-emergency Me

METHODOLOGYResearchers from the U.S. DOT conducted a preliminary, qualitative assessment of the impacts of the ITS transit technologies on transportation services in the Aiken TMCC. The assessment…
12/19/2011
Taxonomy: Service Coordination

The use of vehicle probes allowed North Carolina and South Carolina to monitor traffic at a quarter of the cost of microwave or radar detectors.

FINDINGS The North Carolina DOT utilized its traffic monitoring budget more effectively by using vehicle probes in order to increase the needed coverage. With typical remote traffic microwave…
10/04/2010
Taxonomy: Traffic, 511, 511

Survey responses from key professionals in five states indicate the following ITS technologies have the highest potential to benefit emergency transportation operations: interoperable radio communications, dynamic message signs, GPS and geographical

To gather information and determine the opinions of leaders in the transportation and emergency services communities, a survey was developed and administered to key professionals in the five…
11/17/2008
Taxonomy: Response Management

Freeway lane reversal improved traffic volumes by 44 percent following South Carolina hurricane

In September 1999, over 500,000 people were evacuated from coastal areas of South Carolina prior to landfall of Hurricane Floyd. During evacuation and re-entry, traffic managers used permanent and…
01/19/2007
Taxonomy: Evacuation & Re-Entry Management