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Commercial motor carrier information
515-237-3268

Questions about Transportation Network Companies (TNCs) can be directed to the number above or omcs@iowadot.us.

IFTA / IRP filing
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IFTA/IRP filing

Oversize / Overweight / Trip permits

Oversize/Overweight permits
Iowa has granted provisional authority for the following Transportation Network Companies (TNC) to operate in Iowa:  

  • Uber Effective-Jan. 12, 2017 Expires-Jan. 12, 2018
  • Lyft Effective-Feb. 24, 2017 Expires-Feb. 24, 2018


Iowa fuel tax rates  

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Unified Carrier Registration (UCR)

Register for UCR


Unified registration system (URS) has been suspended indefinitely

Attention icon URGENT: Safety Recall Initiated by Volvo Trucks

FMCSA and State inspectors are advised that certain 2016 and 2017 Volvo and Mack Titan model trucks may be affected by the recall. Volvo has advised that carriers contact the Volvo Customer Support line below to determine what, if any, action is necessary. If FMCSA or State inspectors identify a potentially affected vehicle, the driver should be directed to call the number below prior to proceeding, and to follow the instructions provided by Volvo.

Volvo Customer Support
1-877-800-4945: Option 1

In addition to being a serious safety issue, continuing to operate these vehicles could be considered a violation of 49 C.F.R. 3.6.7, which prohibits operation of a vehicle in a condition likely to cause an accident or a breakdown. Safety demands that operators of these vehicles take prompt and appropriate action to ensure this issue is addressed. Motor carriers that violate applicable regulations may face enforcement action including, but not limited to, civil penalties and a finding that the defect constitutes an out-of-service condition.