5 minutes in any 60-minute period

Fines: Not >$1,000
(§1.04.080)
City of Aspen Municipal Code §13.08.110

• Safety reasons
• To achieve an engine temperature of 120° F and an air pressure of 100 lbs./square inch

5 minutes in any 60-minute period
(No limit if less than 20° F from previous 24-hour period or less than 10° F)

Fines: Not >$1,000
(DMC §1-13)
Denver Municipal Code §4-43

• Emergency vehicles
• Traffic conditions
• Being serviced
• Auxiliary equipment

20 Minutes
(No idling if left unattended when in Lionshead or commercial core, except for refrigeration vehicles)

Fines: Not >$1,000
(VTC §1-4-1(A))
Vail Town Code §5-1-7(G)(3)

• None

Counties: Clay, Franklin,
Jackson, Jefferson, Platte, St. Charles, St. Louis

5 minutes in any 60-minute period
(30 minutes/hour when waiting to load/unload)

Fines: TBD
Missouri Code of State Regulations, Division 10,
Chapters 2.385 and 5.385

• Traffic conditions/controls
• Prevent safety/health emergency
• Emergency purposes
• Maintenance/repair
• State or federal inspections
• Power work-related operations
• During government-mandated rest periods
• Mechanical difficulties
• Auxiliary power units

5 minutes in any 60-minute period
(10 minutes if <32° F)

Fines: Up to $100
St. Louis City Ordinance 68137

• Emergency vehicles
• Power for auxiliary purposes
• Traffic or adverse weather conditions
• Repair or diagnostics
• Engaged in the delivery of goods

15 MINUTES
(25 minutes if less than 32° F)

Fines: $500 minimum
Atlanta Code of Ordinances §150-97(c)

• To perform needed work
• Traffic conditions
• Natural gas or electric vehicles

5 minutes in any 60-minute period
(30 minutes while waiting to load or unload)

Fines: ≤$10,000
Kansas Air Quality Regulations §28-19-712b

• Traffic control / conditions
• Safety or health reasons
• State or federal inspections
• Mechanical difficulties
• Emergency vehicles
• Heat or A/C sleeper berth during rest periods
• Service or repair
• To perform work functions
• Auxiliary power units