This study was conducted to provide the Virginia Department of Transportation (VDOT) with the state-of-the-practice tools that are available and used by other state agencies for estimating the traffic … [Read more...] about Estimation of Traffic Impacts at Work Zones: State of the Practice
Planning and Design
Guidelines for the Application of Removable Rumble Strips
This work was initiated to assess the viability of removable rumble strips as replacements for asphalt rumble strips, particularly in short term highway work zones. The two rumble strips tested were … [Read more...] about Guidelines for the Application of Removable Rumble Strips
Design and Construction of Transportation Facilities
The Transportation Research Circular, Number 363, "Research Problem Statements: Design and Construction of Transportation Facilities," includes information from research prepared to "provide guidance … [Read more...] about Design and Construction of Transportation Facilities
Feasibility and Design of Enforcement Pullout Areas for Work Zones
This report presents results of research conducted to determine appropriate design recommendations (length, spacing) of enforcement pullout areas within work zones. A review of existing geometric … [Read more...] about Feasibility and Design of Enforcement Pullout Areas for Work Zones
An Artificial Neural Network Speed Profile Model for High-Speed Highway Construction Work Zones
Speed profile models can be used by highway engineers to assess the adequacy of a design. Previous work has investigated relationships between operating speed and geometric roadway elements for … [Read more...] about An Artificial Neural Network Speed Profile Model for High-Speed Highway Construction Work Zones
A Policy on Geometric Design of Highways and Streets, 7th Edition
A Policy on Geometric Design of Highways and Streets, 7th Edition, 2018, commonly referred to as the Green Book, contains the current design research and practices for highway and street geometric … [Read more...] about A Policy on Geometric Design of Highways and Streets, 7th Edition