Traffic & Safety
The Traffic & Safety bureau focuses on access management, traffic engineering, signage, and advertising to support transportation safety in Iowa.
Traffic & Safety Main Navigation
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Traffic Safety Resource Guide
Explore data and analysis tools to support funding and design for transportation safety projects.
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Highway Safety Features
Learn about 4-to-3 lane conversion, automated traffic enforcement, roundabouts, and other highway safety features.
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Move Over or Slow Down
Follow these two rules to help save lives and avoid receiving a traffic ticket.
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Share the Road
Sharing the road begins with the understanding that bicyclists and motorcyclists have the same rights as you.
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Stop for School Busses
Violating this law may result in your license being suspended for up to 180 days.
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Driving Your ATV or UTV/ORV on Iowa Public Roads
Know the laws. Ride responsibly.
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Traffic & Safety Manual
The Traffic & Safety Manual provides procedures and methods for traffic safety in Iowa.
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Road Sign Programs
Learn about Iowa sign programs that provide highway and facility signs for the Iowa DOT.
Understand
Setting Speed Limits for Safe Travel
Have you ever wondered who sets the speed limits and how they are determined? We'll answer these questions so you can get back to your drive.
Request a Driveway/Entrance to a Highway
A request for an access connection to the primary highway can be made using our online electronic permitting system.