Commercial Vehicle Permits
The OSOW permit office will not open until 9:30 am on Tuesday March 21, 2017.
**EFFECTIVE January 1, 2017, the CDOT permit office will begin assessing a $4.00 credit card transaction fee for OSOW permit credit card transactions.**
A new Bridge Weight Limit map has been posted to the Restrictions & Maps page (2/27/2017).
You can now receive oversize/overweight-related alerts through your email and phone (via text). To sign up go to: https://public.govdelivery.com/accounts/CODOT/subscriber/new?topic_id=CODOT_2144
All state highway structures with less than 14'6" vertical clearance may be found at: http://cdot.maps.arcgis.com/
Please Note:**CDOT now issues WASHTO Western Regional Permits (WRP). You may find the WRP Desk Guide at: http://washto.org/coht/publications.asp The only vehicles/loads which are eligible are those which:
- Meet the size/weight envelope found in the WRP Desk Guide.
- The route must begin, end or travel through Colorado.
** The CDOT Permit Office has launched a new oversize/overweight permitting system. The new system (COOPR) is located at https://coopr.codot.gov. Please update your bookmarks. COOPR allows for 24/7 access, fleet management and self-issue capabilities on some permits, and a routing component to assist Annual Permit holders with determining safe routing for their loads. CDOT no longer accepts applications by fax.
** Chain Law in effect - September 1, 2015 - May 31, 2016.
Commercial vehicles operating on I-70 in either direction between mileposts 133 (Dotsero) and 259 (Morrison) must carry sufficient chains at all times to be in compliance with the Colorado chain law. Colorado Chain Up Tips and CSP TireChain Requirements
** Holiday restrictions--No holidays restrictions until Memorial Day 2017.
** DOT numbers are issued by the Federal Motor Carrier Safety Administration.
Carriers may contact the FMCSA at (720) 963-3130.
- The new permit system has decreased the turn around time for the issuance of Oversize/Overweight permits. We will not guarantee that applications received after 3:00 p.m. (MT) will be processed on the same business day. Applications are processed in the order in which they are received.
Our busiest days of the week are typically Mondays and Fridays. We recommend that applications be submitted early in the day to avoid delays.
All Extra-legal vehicles must contact E-470 at (303) 537-3700 for travel on E-470. This contact must be made at least 48 hours prior to movement.
- Truck Permit Office
- CDOT Permit Office
4201 E. Arkansas Ave.
Denver, CO 80222
Long Distance: 1-800-350-3765
- Office Hours:
7:30 a.m. - 4:30 p.m.
Monday - Friday
Walk-ins welcome until 4 p.m.
Note: Permit staff meetings are typically scheduled from 10-10:30 a.m. on Thursdays
- Send us your suggestions.
- CDOT Permit Office