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Truck Driver Guide: Tire Chain Laws By State

Published:

This guide was originally posted at Truckers Report Online – Link to original article at bottom.

We know it’s early in the year to get you thinking about tire chain laws, truck drivers. Having said that, we just want to keep you updated on relevant links on a state by state basis so you’ll have it when you actually need it.

Icy and snowy conditions are extremely hazardous to truck drivers regardless if they’re over-the-road, regional or even just local delivery jobs. When coupled with wintry high winds and precarious road twists, it’s best to err on the side of caution. So here’s what we have for you.

Arizona

Arizona Trucking Association
2111 West McDowell Road
Phoenix, AZ 85009
O: (602) 252-7559
F: (602) 252-8008
www.arizonatrucking.com
Art Levario – Director of Safety and Compliance

Summary:

  •     Tire chains of reasonable proportions.
  •     From October 1 to May 1 studded tires are authorized.
  •     Local authorities in their respective jurisdictions may issue special permits.

Difficult passes in Arizona include 17 mile grade on I-17, Texas Canyon on I-10, Salt River Canyon on US 60/70, and US 60 near Superior.

California

California Trucking Association
3251 Beacon Blvd.
West Sacramento, CA 95691
O: (916) 373-3500
F: (916) 373-3639
www.caltrux.org
Rich Leimbach – Director of Safety

The California chain law (revised 11/99) may be viewed at www.dot.ca.gov/hq/roadinfo/.

Summary:

  •     Automatic Traction Devices (ATDs) are authorized.
  •     Snow/mud tread minimum depth is 6/32.
  •     All vehicles towing trailers must have chains on the drive tires.
  •     Trailers with brakes must be chained on one axle.
  •     Front wheel drive must have chains on the front axle.
  •     On any semi-trailer only one set of chains is required.
  •     Tags and converter dollies not required to be chained.

Further information is available through CalTrans at (916) 654-6723. Road condition information is available at (916) 445-7623 or online at www.dot.ca.gov.

Difficult passes in California includeI-80 at Donner Pass, around Redding on I-5, the Grapevine on I-5, and Tehachapi on CA 58.

Colorado

Colorado Motor Carriers Association
4060 Elati Street
Denver, CO 80216
O: (303) 443-3375
F: (303) 477-6977
Patti Olsgard – Director of Safety
[email protected]

The Colorado chain law may be viewed at www.cotrip.org/.

Summary:

  • Chains are required on every state, federal or interstate highway.
  • Metal chains must have at least nine (9) cross links.
  • Driver may be fined for not chaining when required.
  • Additional fines if unchained vehicle blocks roadway.
  • Two level chain restrictions:
  • Single axle tractor trailers must chain all four drive tires (cables are not authorized).
  • Chains required for all commercial motor vehicles.
  • ATDs are authorized.
  • Cables must be at least 0.415″ diameter.

Further information is available from CDOT in a pamphlet called “Chain up Tips” or by calling the Public Information Office at (303) 757-9228. Road condition information is at (303) 639-1111.

Difficult passes in Colorado include Rabbit Ears Pass on US 40, Vail and Loveland on I-70, Raton on I-25, and Monarch on US 50.

Idaho

Idaho Motor Transport Association
5171 Overland Road
Boise, ID 83705
O: (208) 342-3521
F: (208) 343- 8397
[email protected]
Paul Sudmeier – President

There is a pending bill in the 2005 ID legislature forming chain laws for Idaho. Idaho has no specific restriction on the use of tire chains.

Summary:

  • Studded tires authorized between October 1 and April 30.
  • Do not use studded tires until conditions warrant.

For daily updated information on Idaho road reports, check the website: 164.165.237.41/RoadReport or call 888-IDA-Road (888-423-7623}. The ITD may be contacted at (208) 334-8000

Difficult passes in Idaho include LoLo on Hwy 12, July 4th and Lookout on I-90

Montana

Montana Motor Carriers Association
501 North Sanders #201
Helena, MT 59601
O: (406) 442-6600
F: (406) 443-4281
[email protected]

The Montana chain law: MCA 61-9-406 may be viewed at www.mdt.state.mt.us/travinfo/.

Summary:

  • Tire chains of reasonable proportions.
  • Studded tires authorized October 1 – May 31.
  • Local authorities in their respective jurisdictions may issue special permits.
  • Chain law overrules studded tires.

Contact Curt Rissman, Section Chief, Motor Vehicle Section at (406) 444-6130 for further information about Montana road information or online at www.mdt.state.mt.us/travinfo or discoveringMontana.com for camera view conditions.

Difficult passes in Montana include Lookout and Pipestone on I-90, LoLo on US 93, and Monida on I-15

New Mexico

New Mexico Trucking Association
4809 Jefferson Street, NE
Albuquerque, NM 87109
O: (505) 884-5575
F: (505) 884-3661
Vic Sheppard – Managing Director

The New Mexico chain Law: 66-3-847 may be viewed at www.conwaygreene.com/

Summary:

  • Tire chains of reasonable proportions.
  • Local authorities in their respective jurisdictions may issue special permits.
  • Studded tires are authorized.

More traveler information is available by calling (800) 432-4269 or online at www.nmshtd.state.nm.us/.

Difficult passes in New Mexico include Raton and Lalabahada Hill on I-25 and Tijeras Canyon on I-40

Nevada

Nevada Motor Transport Association
2215 Green Vista Drive Suite 301
Sparks, NV 89431-8508
O: (775) 673-6111
F: (775) 673-1700
www.nmta.com
Kim Yaeger
[email protected]

The Nevada chain requirements: NRS 484.643 and NRS 484.6432 may be viewed at www.nevadadot.com.

Summary:

  • Studded tires authorized October 1 – April 30.
  • NRS 484.643 requires chains or snow tires when posted.
  • NRS 484.6432 require vehicles > 10,000 lbs. to chain when posted.
  • Vehicles over 10,000 lbs. are permitted in chain control areas if equipped with Mechanical Traction Devices (MTD) on drive axles.
  • Trailers must be chained.
  • Minimum tread depth on Mud and Snow tires is 3/16″.
  • All vehicles towing trailers must have chains on the drive tires.
  • Trailers with brakes must be chained on one axle.
  • Front wheel drive must have chains on the front axle.
  • On any semi-trailer only one set of chains is required.
  • Tags and converter dollies not required to be chained.

More traveler information is available by calling (877) 687-6237 or online at www.nevadadot.com/traveler/roads/.

Difficult passes in Nevada include Conway Summit on US 395 at the California border, and Immigrant Pass on I-80 near Battle Mountain.

Oregon

Oregon Trucking Association
4005 S.E Naef Road
Portland, OR 97267
O: (503) 513-0005
F: (503) 513-0008
[email protected]
John Sallak – Director of Safety

The Oregon chain law: OAR 734-17 may be viewed at arcweb.sos.state.or.us/rules/.

Summary:

  • Studded tires authorizes November 1 – April 1.
  • Chain law applies to all roadways.
  • Signage dictates requirements.
  • Drivers who disregard signage are subject to fines.

More traveler information may be found by calling (503) 588-2941. For questions regarding chain-up requirements for commercial vehicles, contact your local Port of Entry or ODOT at (800) 977-6368 or online at www.tripcheck.com/.

Difficult passes in Oregon include Siskiyou on I-5, Cabbage on I-84, and Mt. Hood on US 26.

Utah

Utah Trucking Association
975 W 2100S
Salt Lake City, UT 84119
O: (801) 973-9370
F: (801) 973-8515
[email protected]
Terry Smith – Director of Safety

The Utah chain law: 41-6-150 may be viewed at www.sr.ex.state.ut.us/.

Summary:

  • Utah only requires tire chains where posted.
  • The chains should have minimum traction.
  • Studded tires are authorized October 15 – April 15.

More traveler information may be found by calling (866) 511-8824 or online at www.udot.utah.gov.

Difficult passes in Utah include Daniels on US 40, Soldiers Summit on Hwy 6, and Parlyes Canyon on I-80.

Washington

Washington Truckers Association
930 South 36th Street Suite B
Federal Way, WA 98003
O: (800) 732-9019
O: (253) 838-1650
F: (253) 838-1715
[email protected]
N Miller – VP of Membership

The Washington chain law: WAC 204-24-050 may be viewed at www.wsdot.wa.gov/.

Summary:

  • All vehicles over 10,000 GVW shall carry two (2) extra chains.
  • Plastic cross links not allowed.
  • Must carry chains from November 1 to April 1.
  • Cable chains are allowed.
  • Studded tires are authorized November 1 – March 31.

Washington State Patrol has a tri-fold pamphlet called “Minimum Chain Requirements” giving details on chain positioning. More traveler information may be found by calling (800) 695 7623 or online at www.wsdot.wa.gov/traffic/trafficalerts/.

Difficult passes in Washington include Blewett Pass on SR 97, Chinook Pass on SR 410, Cle Elum to Teanaway on SR 970, Gibbons Creek to Intersection of Cliffs Rd. on SR 14, Mt. Baker Highway on SR 542, Newhalem to Winthrop on SR 20, North Cascade Hwy on Hwy 20, Omak to Nespelem on SR 155, Satus Pass on SR 97, Snoqualmie Pass on I-90, Stevens Pass on SR 2, and White Pass on SR 12.

Wyoming

Wyoming Trucking Association, Inc.
555 Poplar Street
Casper, WY 82601
O: (307) 234-1579
F: (307) 234-7082
Sheila Foertsch – Managing Director

The Wyoming chain law: 31 5 956 may be viewed at www.wyoroad.info/

Summary:

  • Studded tires are legal all year.
  • Tire chains of reasonable proportions.
  • Local authorities in their respective jurisdictions may issue special permits.
  • Travel on highways may be restricted to all wheel drive or chain equipped vehicles/snow tires.
  • Minimum tread depth is 4/32 steer; 2/32 other position.
  • Persons selling tires must comply with minimum tread depth.
  • Applies to motorcycles, motor-driven cycles and mopeds.

More traveler information may be found by calling (307) 772-0824 or online at www.wyoroad.info/.

Difficult passes in Wyoming include Elk Mountain on I-80, between Rock Springs and Evanston on I-80, and South Pass near Jackson on US 191.

 

Info originally posted at The Trucker’s Report.

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