Office of Traffic and Safety

Library

The Office of Traffic and Safety library has information related to construction, planning, design, engineering, research, and policy. This includes manuals, program brochure, research reports and other publications.
 

bookliet iconManuals

Traffic and Safety Manual

Traffic and Safety Manual

This Traffic and Safety Manual is published by the Office of Traffic and Safety. Unlike many other documents published by the Iowa Department of Transportation, this manual is only available online.

ViewView manual


Standard Highway Signs book

Standard Highway Signs book

The book contains information about regulatory signs, warning signs, pavement markings, standard alphabets including illustrations. The Standard Highway Signs book is designed to be navigable from the Table of Contents. Opening the Table of Contents and clicking on any sign listed will open the appropriate document and page for viewing.

ViewView manual


Standard Road Plans

Standard Road Plans

The standard road plans contained in this manual (commonly referred to as the "Red Book") have been developed to show standardized design features, construction methods and approved materials to be used in design plans for interstate, primary and secondary road construction in the state of Iowa

ViewView plans


Manual on Uniform Traffic Control Devices

Manual on Uniform Traffic Control Devices (MUTCD)

Information within the MUTCD defines the standards used by road managers nationwide to install and maintain traffic control devices on all public streets, highways, bikeways, and private roads open to public traffic. The MUTCD is published by the Federal Highway Administration.

ViewView manual


 

bookliet iconProgram brochures

Guide to Iowa Outdoor Advertising Sign Regulations

Guide to Iowa Outdoor Advertising Sign Regulations

This guide will acquaint you with Iowa laws regulating outdoor advertising signs along the state's primary highways. It defines various types of outdoor signs and presents the general prohibitions and sign controls which apply to them.

ViewView guide



 

bookliet iconResearch reports and other publications

Primary Highway System Automated Traffic Enforcement Guidelines

Primary Highway System Automated Traffic Enforcement Guidelines (Revised January 2013)

When used properly, automated camera enforcement technology has the potential to be an effective tool to enhance traffic safety. It should only be considered after other engineering and enforcement solutions have been explored and implemented.

ViewView guidelines


Access Policy PDF

Access policy

Iowa Primary Road Access Management Policy. In developing an access plan for a commercial site, an important factor is determining the potential traffic to be generated by the site and the directional distribution of site-generated traffic on the major approach routes and proposed entrance serving the site.

ViewView policy


Utility accomodation

Utility accomodation

Policy for Accommodating and Adjustment of Utilities on the Primary Road System.

ViewView accomodation


Traffic and Safety Manual

Research Reports

Iowa highway Research Board (IHRB) abstract or full reports are available for immediate download.

ViewVisit website