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Starting November 16, 2023! A service charge will be added for payments made by debit/credit card. The service fee, paid directly to the card processor, will be 3.15%. Please note this charge is for payments by debit/credit cards only and will show up as a separate transaction on your statement. Alternative payment types: ACH (echeck - which can be paid through the portal) and checks will continue to be accepted without additional service fees.

Development Traffic Permit Application

Traffic permit application for sewer service repair (includes in yard/lot and right-of-way), water service repair (includes in yard/lot and right-of-way), new development, and redevelopment.

Application Information

Effective March 1st, hand drawn traffic control plans will no longer be accepted by the city of Thornton. Traffic control plans will also be required to show all dimensions of tapers, activity areas, diversions, detour routes, etc.
Effective May 6th, fees will apply to Traffic Control Permits. Traffic control fee calculation form must be submitted with application. Traffic control plans are required to show all dimensions of tapers, work zones, activity areas, diversions, detour routes, etc. Minimum review for traffic control permit applications is 5 business days.

Traffic Control Fee Calculation Form Use this worksheet to calculate permit fees for right-of-way closures. Filled out form must be submitted with application.
25 MB upload limit. CTRL+click files in the file picker to select multiple files.
25 MB upload limit. CTRL+click files in the file picker to select multiple files.

Compliance Agreement

The undersigned hereby certifies that I/we agree to assume any and all responsibility and to abide by all rules, regulations and conditions as set forth in the city of Thornton rules, regulations, conditions and stipulations (refer to next page) of this permit, and codes for traffic control. The undersigned shall follow the manual on uniform traffic control devices, latest edition, as it relates to this permit and special conditions. If any requirements or conditions of this permit are not in compliance, the permit shall be revoked by order of the traffic engineer. I/we agree to vacate the right-of-way as directed by the traffic engineer.