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CO HB1039
Bill
Status
Passed
5/15/2025
Primary Sponsor
Lesley Smith
Click for details
AI Summary
- Commercial vehicles with internal combustion engines must have a muffler installed and positioned for visual inspection by law enforcement
- Vehicles may alternatively carry documentation showing EPA-compliant muffler installation, including purchase date, make/model, VIN, and installer information
- Violation fine increases from $500 to $1,000, with 50% going to the local jurisdiction and 50% to the highway users tax fund
- Fine is waived if documentation proves muffler was in place before citation, or reduced by 50% if a muffler is installed within 30 days after citation
- State construction contracts must require all contractor and subcontractor commercial vehicles to comply with muffler requirements; effective July 1, 2027
Legislative Description
Commercial Vehicle Muffler Requirements
Transportation & Motor Vehicles
Last Action
Governor Signed
5/15/2025
Committee Referrals
Transportation & Energy4/22/2025
Appropriations1/28/2025
Transportation, Housing & Local Government1/8/2025
Full Bill Text
No bill text available