Business Center

Holiday Restrictions & Important Notices

Chain Law

(Effective September 1, 2015 – May 31, 2016)

All commercial vehicles operating on I-70 between Dotsero (milepost 133) and Morrison (milepost 259) between September 1st to May 31st must carry sufficient chains to be in compliance with the Colorado chain law.

The fine for not carrying chains between mileposts 133 and 259 on the I-70 corridor during the specified time season is $50 plus a surcharge.  The fine for not chaining up when the chain law is in effect is $500 with a surcharge.  The fine for not chaining up and subsequently blocking the highway is $1,000 plus a surcharge.

Current Road Conditions

Additional Oversize/Overweight restrictions

(Note: Summer restrictions on I-70 will begin on May 15, 2015 - September 15, 2015.)

(Note: Winter restrictions on I-70 will begin on December 1, 2015 - March 31, 2016.)


Holiday Schedule

July 2016 – June 2017

The Permit Office will be closed in observance of the following holiday days, unless noted.

Tuesday, July 4, 2017 Independence Day

Monday, September 4, 2017

Labor Day

Monday, October 9, 2017

Columbus Day

Saturday, November 11, 2017 Veterans Day (Closed11/10/17) 

Thursday, November 23, 2017

Thanksgiving Day

Monday, December 25, 2017

Christmas Day Holiday

Monday, January 1, 2018

New Year's Day Holiday

Monday, January 15, 2018 Martin Luther King, Jr.
Monday, February 19, 2018 President's Day
Monday, May 28, 2018 Memorial Day

Submit applications in a timely manner to ensure issuance of the permit prior to the movement of the vehicle or load.



Holiday Restrictions

Holiday restrictions:

LABOR DAY RESTRICTIONS: An extra-legal vehicle or load may not travel on Friday, Sept. 1, 2017 from noon until 9 pm and on Monday, Sept. 4, 2017 from 6 am to 9 pm. The weekend is unrestricted. LVCs are prohibited from travel at any time on Monday, Sept. 4, 2017.

Truck Permit Office
  • CDOT Permit Office
    4201 E. Arkansas Ave.
    Room 124
    Denver, CO 80222
    Long Distance: 1-800-350-3765
    Local: 303-757-9539

  • 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

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