Work Zone Reference Library

Development of the Work Zone Management Service Layer engaged and enabled Iowa DOT staff to envision the future of work zone management.
The WRL is a direct result of this effort and has been created to centralize all of Iowa’s work zone resources and documentation.

Quick Links

Traffic & Safety
Library

Construction Manual

Specifications

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• Electronic Reference Library
• Standard Road Plans - TC Series
• Transportation safety groups
• Work Zone Safety Committee
• Traffic and safety resources
• Lane closure planning tool
• Iowa Crash Analysis Tool (ICAT)
• Index to work zone related maintenance IMs
• Iowa & Surrounding States Traffic Control Technicians
• Training
• AADT map of Iowa
• Smart Work Zone Deployment Initiative
• Work Zone Data Exchange (WZDx)
• Iowa State University Operations & Safety Dashboards
• Training videos
• Workzone fines

Featured topics

CONNECTED TEMPORARY TRAFFIC SIGNALS

• Connected Traffic Signals - One Pager

SMART ARROW BOARDS

• Announcement
• Deployment Plan
• White Paper
• Questions and answers
• Testing and verification form
• Specifications and requirements

Vehicle Safety

• Vehicle Safety Technology

Links to Outside Resources

• National Work Zone Information Clearinghouse

Oversized Loads

• Oversized Loads in Work Zones