Now showing items 1-10 of 528
Assessment of Vehicle-to-Vehicle Communication based Applications in an Urban Network
(Virginia Tech, 2015-06-23)
Connected Vehicle research has emerged as one of the highest priorities in the transportation systems because connected vehicle technology has the potential to improve safety, mobility, and environment for the current ...
Evaluation of Service Reliability Impacts of Traffic Signal Priority Strategies for Bus Transit
(Virginia Tech, 2002-06-03)
Recent progress in technology has facilitated the design, testing, and deployment of traffic signal priority strategies for transit buses. However, a clear consensus has not emerged regarding the evaluation of these ...
Behavior-based Predictive Safety Analytics – Pilot Study
(Safe-D: Safety Through Disruption, 2019-04)
This report gives an overview of the main findings from the Behavior-based Predictive Safety Analytics – Pilot Study project. The main objective of the project was to investigate the possibilities of developing statistical ...
Improving Highway Safety Through Pavement Friction Management Programs
In recent years, there has been a major increase in activities related to improving highway safety in the U.S. Much of the emphasis has been placed on driver behavior (e.g., addressing aggressive, distracted, and impaired ...
Active and Adaptive Roadway Delineation Systems
(National Surface Transportation Safety Center for Excellence, 2017-10-13)
Heavy fog presents a significant safety hazard to drivers by reducing their ability to see the roadway and other vehicles. Even so, drivers often fail to adjust their speed to account for the reduced visibility, resulting ...
Innovative Approach to Airfield Pavement Inspections and Distress Identification at Oakland International Airport
Visual collection of surface distresses on airfield pavement in support of pavement management is becoming increasingly challenging for airports. Operational constraints limit access time for inspections on high priority ...
Going Beyond Performance Targets in MAP-21 for Local Agencies
Since 1984, the Metropolitan Transportation Commission (MTC), the San Francisco Bay Area regional planning organization (MPO), has continued to develop and enhance its pavement management system (PMS) software - StreetSaver. ...
Matching GPS Records to Digital Map Data: Algorithm Overview and Application
(National Surface Transportation Safety Center for Excellence, 2015-03-03)
Records of latitude and longitude pairs describing an approximate path of travel are logged by many types of Global Positioning System (GPS)-enabled devices. These logs of latitude/longitude (lat/lon) pairs specify geographic ...
HPMS Pavement Data Issues & Uses
Modeling 100-car safety events: a case-based approach for analyzing naturalistic driving data: final report
(Virginia Tech. Virginia Tech Transportation Institute, 2009-09-30)
This study developed an integrated framework for modeling the safety outcomes of naturalistic driving studies and addressed several critical methodological issues. The results indicate a certain level of discrepancy between ...