If you are doing one of the following, a traffic review or traffic impact study may be required.

• Developing a property
• Redeveloping a property
• Rezoning a property
• Building a subdivision 
• Changing the use of your property

To determine if you need a traffic review or impact study, please read the following documents.

• Traffic Analysis Policy
• Traffic Analysis Process
• Traffic Analysis Application
• Traffic Review Requirements
• Traffic Impact Study Requirements
• Traffic Analysis Template Schedule
• Trip Generation Quick Reference

Send completed application forms to:

• Email: trafficanalysis@dmgov.org or

• Deliver to:  

Engineering Department
Traffic and Transportation Division
400 Robert D Ray Drive
Des Moines, Iowa 50309