| Alabama | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Alaska | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Arizona | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Arkansas | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| California | - 5 minutes
- 10 minutes prior to passenger boarding or when
passengers on-board a bus
| - Traffic conditions
- Queuing beyond 100 ft. of restricted area
- Adverse weather conditions
- Mechanical difficulties
- Daily inspection
- Maintenance
- Power source for equipment or operations (lift,
crane, pump, drill, hoist, mixer, or controlling cargo
temperature)
- Heating, defrosting, cooling equipment to prevent
health/safety emergency
- Emergency vehicles
- Military tactical vehicles
- Operating ADA prescribed equipment (wheelchair
lift, etc.)
- Armored cars
- Workover rigs (used on a producing oil or gas
well)
|
| Colorado | - 5 minutes in 1 hr
- 20 minutes in 1 hr < 10°F
| - Passenger bus when idling for up to five minutes to maintain passenger comfort when non-driving passengers are on
board
- Heat or cool a sleeper berth during a sleep or rest period when legally parked
- Traffic conditions
- Operation of defrosters, heaters, or air
conditioners to prevent a safety or health emergency
- Emergency vehicles
- Vehicle maintenance or repair
- Vehicle inspection
- Operation of power take-off equipment if necessary
for operating work-related mechanical or electrical equipment
- Armored vehicles when a person remains inside to
guard contents or while loading/unloading
|
| Connecticut | - 3 minutes
- No limit < 20° F
| - Traffic conditions
- Mechanical difficulties
- Heating, defrosting, cooling equipment for
driver/passenger health/safety
- Auxiliary equipment
- Manufacturer's recommendation
- Maintenance
- In queue to be inspected to gain access to military
installation
|
| Delaware | - 3 minutes
- 15 minutes 32° F to -10° F
- No limit < -10° F
- 5 minutes prior to boarding transit or school
bus
| - Traffic conditions
- Mechanical difficulties
- Manufacturer's recommendation
- Maintenance
- Emergency vehicles
- Auxiliary equipment
- Heating, cooling, or ancillary equipment when in sleeper berth when vehicle not within 25 miles of parking facility
with electrification equipment
- Daily vehicle inspection
- Transit or school bus when passengers on board
- Military vehicle involved in training
|
| District Of Columbia | - 3 minutes
- 5 minutes ≤32° F
| - Power takeoff equipment (dumping, cement mixers,
refrigeration systems, content delivery, winches, shredders)
|
| Florida | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Georgia | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Hawaii | - An engine may not be in operation while the motor
vehicle is stationary at a:
- Loading zone
- Parking/servicing area
- Route terminal
- Other off-street area
- 3 minutes to load or unload passengers
- 3 minutes engine startup/cool down
| - Adjustment/repair at garage
- Equipment requiring power take-off from engine (ready-mix truck, crane, hoist, auxiliary equipment built onto the vehicle)
|
| Idaho | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Illinois | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Indiana | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Iowa | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Kansas | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Kentucky | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Louisiana | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Maine | - 5 minutes in 1 hr.
- 15 minutes 32°F or less
- As needed <0°F
- 15 minutes in 1hr. when non-driver passengers are
on board
| - Provide heating/air conditioning while driver rests
in sleeper berth during a rest or sleep period
- Operation of defrosters/heaters/air conditioners to prevent safety/health emergency
- Air conditioning/heating while waiting to load/unload
- Traffic conditions
- Emergency vehicles
- Vehicle maintenance/repair
- Vehicle inspection
- Powering work-related mechanical/electrical operations
- Armored vehicle when guard on board or
loading/unloading
|
| Maryland | | - Traffic conditions
- Mechanical difficulties
- Heating/cooling equipment
- Auxiliary equipment
- Manufacturer's recommendation
|
| Massachusetts | | - Maintenance
- Delivery when power is needed and alternate power is not available
- Associate power needed and alternate power is not available
|
| Michigan | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Minnesota | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Mississippi | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Missouri | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Montana | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Nebraska | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Nevada | | - State-issued variance
- Emergency vehicle
- Snow removal
- Maintenance of other motor vehicles
- Traffic conditions
- Maintenance
- Emission contained and treated by state approved
method
- Performing a specific task (well drilling,
trenching, hoisting)
|
| New Hampshire | - 5 minutes > 32° F
- 15 minutes 32° F to -10° F
- No limit < -10° F
| - Traffic conditions
- Emergency vehicles
- Power takeoff for lift gate pumps, refrigeration,
etc.
- Heating/cooling for commercial passenger
transportation
- Maintenance
- Defrost windshield
|
| New Jersey | - 3 minutes
- 15 minutes, < 25° F, and stopped =3 hours
- 15 minutes in a 60-minute period when bus is
discharging or picking up passengers
| - Traffic conditions
- Auxiliary equipment (lift gate pumps, controlling
cargo temperature, etc.)
- Waiting for inspection by law enforcement
- Performing emergency services (fire, police, public
utility, military, snow removal)
- Maintenance
- Sleeper berth on a vehicle with a model year 2007
or newer engine (or retrofitted with a diesel particulate filter
that is connected and properly functioning)
- Auxiliary/alternate power units, generator sets,
bunk heaters
|
| New Mexico | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| New York | - 5 minutes
- No limit stopped > 2 hours and < 25° F
| - Traffic conditions
- Passenger comfort regulation/law
- Auxiliary power (loading, discharge, mixing or processing cargo, controlling cargo temperature, construction,
lumbering, oil/gas well servicing, farming
- Maintenance
- Emergency services (fire, police, public
utility)
- Mining or quarrying
- State emissions inspection
- Hybrid electric vehicle recharging
- Agricultural purposes on farm
- Electric powered vehicles
|
| North Carolina | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| North Dakota | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Ohio | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Oklahoma | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Oregon | - 5 minutes in any continuous 60-minute period
- For comfort when passengers on board (bus)
- 30 minutes waiting to or actually
loading/unloading
- < 50°F or > 75°F to provide heat/air
conditioning while waiting to or actually loading/unloading (>26,000 lbs. GVWR)
- < 50°F or > 75°F to provide heat/air
conditioning to sleeper berth during rest/sleep period
| - Traffic conditions
- Defrosters, heaters, or air conditioners;
- Installing equipment necessary to comply with
manufacturers' requirements
- Compliance with federal, state, or local safety
regulations
- Emergency vehicles
- Vehicle maintenance or repair
- Vehicle inspection
- Powering work-related mechanical, safety,
electrical, construction equipment
- Armored vehicles when a person must remain inside to guard the contents or while the vehicle is being loaded or
unloaded
|
| Pennsylvania | - 5 minutes in 1 hr.
- 15 minutes in 1 hr. to actively load/unload,
sample, weigh
- 15 minutes in 1 hr. to provide heating/air
conditioning when non-driver passengers are on board (bus, school bus, school vehicle)
| - Traffic conditions
- Operation of defrosters/heaters/air conditioners/cargo refrigeration equipment to prevent health/safety
emergency
- Emergency vehicles
- Vehicle maintenance/repair
- Vehicle inspection
- Powering work-related mechanical/safety/electrical
operations
- Armored vehicles when person inside to guard or
loading/unloading
- Solid waste/recyclable collection
|
| Rhode Island | - 5 minutes in 1 hr.
- 15 minutes in 1 hr. 0° F to 32° F
- As needed when < 0° F to provide heat
- 15 minutes in 1hr. (passenger bus) < 50° F to
maintain passenger comfort
| - Traffic conditions
- Heating, defrosting, cooling equipment for
driver/passenger health/safety
- Powering work-related mechanical or electrical
operations (mixing/processing cargo, refrigeration)
- Maintenance
- Inspection by law enforcement
- Emergency or law enforcement (police, fire, rescue,
ambulance, military)
- Armored vehicle when guard on board or vehicle is
being loaded/unloaded
- Airfield maintenance at state-owned or operated airport
- Auxiliary power (electricity generator on-site)
|
| South Carolina | - 10 minutes in any 60-minute period
- 15 minutes in a 60-minute period to provide heating or air conditioning when passengers are on a passenger-carrying
vehicle
| - An occupied vehicle with a sleeper berth for the purpose of heating or air conditioning:
- During a rest or sleep period;
- When the outside temperature is < 40°F or > 80°F; or
- While the vehicle is at a rest area, fleet trucking
terminal, commercial truck stop, state designated location designed
for the intended purpose of a driver's rest area, or any location
that a vehicle is legally permitted to park that is at least 500 feet from residential housing, schools, daycare facilities,
hospitals, or similar locations.
- Traffic conditions;
- Operation of defrosters, heaters, air conditioners, cargo refrigeration equipment, or to install equipment to prevent a health or safety emergency;
- Emergency and law enforcement vehicles;
- Maintenance, servicing, or diagnostic purposes;
- Federal and state inspections;
- Powering work-related mechanical or electrical operations;
- An armored vehicle when a person remains on vehicle to guard the vehicle’s contents or while loading and unloading; or
- An occupied vehicle while waiting in line or queuing to load or unload.
|
| South Dakota | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Tennessee | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Texas | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Utah | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Vermont | | - Bus for passenger comfort (non-driver)
- An occupied sleeper-berth for air conditioning or heat during a rest or sleep period (prior to 2018 model year
vehicles)
- Traffic conditions
- Windshield defrosters and equipment addressing
specific safety concerns
- Mechanical, hydraulic, or electrical operations
other than propulsion such as mixing or processing cargo or straight truck refrigeration
- Emergency, public safety, military vehicles
conducting official operations
- Maintenance, service, repair, diagnostic purposes
or as part of state or federal inspection
- Armored vehicles
|
| Virginia | - 3 minutes in commercial or residential urban
areas
- 10 minutes in commercial or residential urban areas (diesel vehicles)
- 10 minutes in hot weather to maintain air
conditioning (tour bus)
| |
| Washington | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| West Virginia | - 15 minutes in any 60-minute period
- 15 minutes in any 60-minute period except when
necessary to provide heat/air conditioning to maintain safe
temperature
| - Sleeper berth for heat/air conditioning < 40° F or > 75° F
- Traffic conditions
- Operation of defroster, heater, air conditioner,
cargo refrigeration to prevent safety/health emergency
- Emergency vehicles
- Maintenance, inspection, servicing, repairing, or
diagnostic purposes
- Federal/state inspections
- Power work-related mechanical, safety, electrical
operations
- Security inspection
- Armored vehicle
- Solid waste/recycling collection
- Vehicle with label issued by California Air
Resources Board (13 CCR 1956.8(a)(6)(c))
- Vehicle powered by clean diesel technology or
bio-diesel fuels
|
| Wisconsin | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
| Wyoming | State-wide idling regulation and/or law is not specifically cited in this state's regulations and/or statutes. | N/A |
