Arizona / California /
Colorado /
Idaho
/
Montana /
New
Mexico /
Nevada
/
Oregon /
Utah
/
Washington /
Wyoming
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
Patti@cmca.com
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
kathyflowers@idtrucking.org
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
mmca@mttrucking.org
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/nmsu/lpext.dll?f=templates&fn=main-h.htm&2.0
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
Ray Roach- Assistant
Managing Director
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
hilliker@ortrucking.org
John Sallak -
Director of Safety
The Oregon chain
law: OAR 734-17 may
be viewed at
arcweb.sos.state.or.us/rules/OARS_700/OAR_734/734_017.html.
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
Terry@utahtrucking.com
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
www.wta@wtassns.com
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.