Iowa Department of Transportation (DOT) research director Ian MacGillivray testified before a congressional hearing in Washington, D.C., concerning work zone safety. Subcommittee hearings on … [Read more...] about Iowa DOT Official Testifies on Work Zone Safety
Iowa Department of Transportation
Speed Limits Lowered in High-Speed Work Zones
Lower speed limits for certain work zones on interstate and other multi-lane highways became effective today, June 1, 2001. The Iowa Department of Transportation announced the change, which will … [Read more...] about Speed Limits Lowered in High-Speed Work Zones
Evaluation of Work Zone Traffic Control Enhancements
In an attempt to improve work zone safety, the Iowa Department of Transportation (DOT) initiated a research project to determine the overall effectiveness, including functionality, of several proposed … [Read more...] about Evaluation of Work Zone Traffic Control Enhancements