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Iowa DOT Handbook (CDL Manual 2024)

An up-to-date version of the Iowa DOT Commercial Drivers Handbook can be found below. This is the online version of the Iowa DOT CDL Drivers Manual / Handbook straight from the DOT's website. These links are updated every time the handbook is changed so rest assured that the Handbook below is current. Check back every year for the newest edition of the Iowa DOT Handbook; new stats, tips, and guides to the law are added with each addition. Also remember to share the handbook with your friends and family as it's a great way for them to brush up on their driving.

Remember the handbook is only a guide and may not quote specific laws as stated on a traffic citation; you may need to check Iowa Driving Laws for more specific details in individual laws and codes.

Check out our DOT blog and sign up for our mailing list to stay on top of the ever changing driving laws in Iowa. Every year try to understand how the new law will affect you and when they will be enforced. Please note it make take a minute or so for the Online Iowa DOT CDL Drivers Handbook to load.

Please check out our other useful resources for the Iowa DOT: Iowa DOT Motorcycle Riders Handbook, Iowa DOT Drivers Handbook, Iowa DOT CDL Practice Tests.