Nationwide, over 1,000 fatalities and 40,000 injuries occur annually in work zones, which include both construction zones and areas where maintenance is performed. The majority (85%) of work zone … [Read more...] about Synthesis of Traffic Calming Techniques in Work Zones
Iowa State University
Evaluation of Early Merge Static Work Zone Signing in Oklahoma
This research examined the safety and operational benefits of having traffic merge early into the open lane prior to a work zone merge area. A 2007 law in Oklahoma adopted the use of additional “STATE … [Read more...] about Evaluation of Early Merge Static Work Zone Signing in Oklahoma
Synthesis of Procedures to Forecast and Monitor Work Zone Safety and Mobility Impacts
Federal Highway Administration (FHWA) has published Administrative Final Rule CFR part 630 Subpart J, “Work Zone Safety and Mobility,” on September 9, 2004. In general, the rule requires that state … [Read more...] about Synthesis of Procedures to Forecast and Monitor Work Zone Safety and Mobility Impacts
Lane Closure Policy Development, Enforcement, and Exceptions: A Survey of Seven State Transportation Agencies
Traffic volume increases and an aging infrastructure create the need for reconstruction, rehabilitation, and maintenance of existing facilities. As more motorists feel that delays should be minimal … [Read more...] about Lane Closure Policy Development, Enforcement, and Exceptions: A Survey of Seven State Transportation Agencies
Iowa Traffic Control Devices and Pavement Markings: A Manual for Cities and Counties
Iowa Traffic Control Devices and Pavement Markings: A Manual for Cities and Counties has been developed to provide state and local transportation agencies with suggestions and examples related to … [Read more...] about Iowa Traffic Control Devices and Pavement Markings: A Manual for Cities and Counties
Determining the Effectiveness of Temporary Traffic Control Measures in Highway Work Zones
Highway work zones constitute a major safety concern for government agencies, legislatures, the highway industry, and the traveling public. Each year, hundreds of people lose their lives and many more … [Read more...] about Determining the Effectiveness of Temporary Traffic Control Measures in Highway Work Zones