Commercial Vehicle Permits
This site is designed to provide information about rules and obtaining permits for moving extra-legal vehicles and loads through Colorado. Extra Legal Vehicles are those vehicles exceeding size and weight restrictions on Colorado Highways and Interstates.
** CHAPTER 6 SPECIALS - Please allow 2-3 weeks for the Permit Office to process Chapter 6 Special Permits. Due to a shortage of staff inthe Bridge section and an increase in applications, we are requesting that all applications and supporting documentation be submitted well in advance so the applications can be put in the queue to be processed.
The office will reopen on Tuesday at 7:30 a.m. and we will process applications in the order in which they were received. Please allow the staff time to process the applications before requesting permit status checks.
** Chain Law in effect - September 1, 2012 - May 31, 2013.
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
Interstate carriers may contact the FMCSA at (720) 963-3130.
Colorado based carriers may contact the CSP at (303) 273-1875.
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 Oversize/Overweight 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
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Working with Local Government
Governor Hickenlooper has issued an Executive Order directing state agencies to take specific steps to enhance relations with local government. Here is how CDOT is complying with the Executive Order.
When promulgating rules, CDOT routinely utilizes a software system developed by the Department of Local Affairs in coordination with the Governor's Office to notify local elected officials of rule making and request input on the rules.
In accordance with House Bill 11-1002, CDOT has created an online database for the Colorado Department of Transportation's Financial Information