Driving Regulations STATE SPEED LIMITS max. on open hwys. EMERGENCY CELLULAR PHONE NUMBERS WEATHER-MANDATED DAYTIME HEADLIGHT USE STUDDED TIRES PERMISSIBLE DATES CHILD RESTRAINT MANDATORY USE Alabama 70-I; 65 4-lane * HP (* 47) When raining/wipers in use/visibility is less than 500 ft. All year; rubber only Under age 4; seatbelts under 6 Alaska 55-I, unless posted 911 or *273 Where posted 9/15 - 5/1 N. of 60°; 9/30 - 4/15 S. of 60° Under 7 years of age Arizona 75-I; 55 others 911 When visibility is less than 500 ft. Oct. 1-May 1 Under age 5 Arkansas 70-I rural; 65-I suburban; 60-I urban; 55 on others 911 When raining or wipers in use or when visibility is less than 500 ft. Nov. 15-Apr. 15 Under age 4, or less than 40 lbs; seatbelts under 4 or 40 + lbs. California 65-I; 55 4-lane up *911 When visibility is 1000 ft. or less Nov. 1-Apr. 30 Under age 6, or less than 60 lbs.; Colorado 75-I; 65 on highways & 4 lane 911 When visibility is 1000 ft. or less No restrictions Under age 4, and less than 40 lbs.; seatbelts under 15, or 40 + lbs. Connecticut 55 *911 When visibility is 500 ft. or less Nov. 15-Apr. 30 Under age 4, and less than 40 lbs.; seatbelts under 16 Delaware 65 where posted 55 on 4-lane; 50 on 2-lane 911 When wipers in use or when visibility is 1000 ft. or less Oct. 15-Apr. 15 Under age 4; seatbelt under 16 D.C. 45 on expressways or as posted 25 on other, as posted @ 727-6161 When raining or wipers in use or when visibility is 500 ft. or less Oct. 15-Apr. 15 Under age 4; seatbelt under 16 Florida 70-I/TPK; 55 on others *FHP (*347) During rain/fog/smoke, or when wipers in use All year; types that do not damage hwys Under age 5; seatbelts under 6 Georgia 70 outside urban Interstates; 65 on others *GSP When visibility is 500 ft. or less Only during snow or ice conditions Under age 3; seatbelts 3 & 4 Hawaii 55 or as posted 911 When visibility is 200 ft. or less Prohibited Under age 4 Idaho 75-I rural; 55 on others *ISP (*477) When raining or wipers in use or when visibility is 500 ft. or less Oct. 1-Apr. 15 Under age 4; and less than 40 lbs. Illinois 65-I; 55 on others 911 & * 999 (Chicago Area) When visibility is restricted Prohibited Under age 4, seatbelt 4 & 5 Indiana 55 or 65-I/TOLL as posted; 55 on others 911 In rain; wipers in use; visibility less than 500 ft. Oct. 1-May 1 Under age 4 Iowa 65-I; & 4-lane hwy as posted; 55 on others *55, 911 or (800) 525-5555 In rain; wipers in use; visibility less than 500 ft. Nov. 1-Apr. 1 Under age 3; seatbelt under 6 Kansas 70-I/TPK; 65 on others as posted *47 When visibility is less than 1000 ft. Nov. 1-Apr. 15 Under age 4, seatbelt under 14 Kentucky 65-I; 55 on others (800) 222-5555 or 911 --- No restrictions Under 41 inches tall Louisiana 65-I rural; or as posted 911 When visibility is less than 500 ft. Prohibited Under age 5 Maine As posted *77 When wipers in use Oct. 1-May 1 Under age 4 Maryland 65-I as posted; 50 on undivided; 55 on others Emger. 911 Non-emger. #77 When wipers in use Nov. 1-Mar. 31 In western counties Under age 4, 40 lbs. or less; seatbelt under 16 Massachusetts 65-I 50 divided; 40 hwy; 55 on others *SP When visibility is 350 ft. or less Nov. 2-Apr. 30 Under age 5; or less than 40 lbs; seatbelt under 12 Michigan 70-frwys and rural; 55 on others 911 In rain; wipers in use; visibility less than 500 ft. Prohibited except certain conditions Under age 4 Minnesota 70-I rural; other 45 to 65 as posted *911 In rain; wipers in use; visibility less than 500 ft. Prohibited Under age 4 Mississippi 70-I; 65 4-lane hwy; 55 others, or as posted *HP (*47) In rain; wipers in use; visibility less than 500 ft. Prohibited Under age 4 Missouri 70 unless posted; 65 4-lane divided; 55 2-lane; 60 other, unless posted *ISP (*55) In rain; wipers in use; visibility less than 500 ft. Nov. 1-Mar. 31 Under age 4 Montana 75 unless posted; 65-I; 55 on others (800) 525-5555 or 911 When visibility is 500 ft. or less Oct. 1-May 31 Under age 4; or less than 40 lbs. Nebraska 75 rural; 65-I city, state hwy & others as posted; 60 open hwy *55 In rain; wipers in use; visibility less than 500 ft. Nov. 1-Apr. 1 Under age 5, or less than 40 lbs.; seatbelts under 16 Nevada as posted *NHP When visibility is 1000 ft. or less Oct. 1-Apr. 30 Under age 5, 40 lbs. or less New Hampshire 65-I; 55 others *77 When visibility is 1000 ft. or less No restrictions Under age 4, seatbelt under age 18 New Jersey 65-I/TPK; 50 others #77 When visibility is 500 ft. or less Nov. 15-Apr.1 Under age 17 mos. in front seat; seatbelts under 5 New Mexico 75-I; others as posted 911 (State Restricts Cell Phones) In rain; wipers in use; visibility less than 500 ft. No restrictions Under age 2 in front seat; seatbelts under 11 New York 65-I rural 55 others 911 (State Restricts Cell Phones) When wipers in use or visibility less than 1000 ft. Oct. 16-Apr. 30 Under age 4; seatbelts under 16 North Carolina 70-I or 65-I, as posted; 55 others *HP When visibility is 400 ft. or less No restrictions Under age 3; seatbelt under 12 North Dakota 70-I; 65-US Hwy, as posted; 65 day, 55 night on paved 2-lanes; 55 on others unless posted (800) 472-2121 *2121 When visibility is 1000 ft. or less. Oct. 15-Apr. 15 Under age 4, seatbelt under 18 Ohio 65-I/TPK; 60 or 55 others as posted 911 or *DUI When visibility is 1000 ft. or less Nov. 1-Apr. 15 Under age 4, or less than 40 lbs. Oklahoma 75-TPK; 70-I 4-lane div. or sup. 2-lane; 55 country *55 When visibility is 500 ft. or less Nov. 1-Apr. 1 Under age 4, or less than 60 lbs.; seatbelts under 13 Oregon 65-I; 55 on others 911 When visibility is 1000 ft. or less Nov. 1-Apr. 1 Under age 4, or less than 40 lbs.; seatbelts under 16, and 40 + lbs. Pennsylvania 65-I rural/TPK; 55 on others 911 When visibility is 1000 ft. or less Nov. 1-Apr. 15 Under age 4 Rhode Island 65-I as posted; 55 on others *77, 911 or 444-1000 for mechanical difficulties When visibility is 500 ft. or less Nov. 15-Apr. 1 Under age 4; seatbelt 13; backseat under 6 South Carolina 70-I rural; 55 on others --- When visibility is 500 ft. or less All year; must not project more than 1/16 inch when compressed Under age 4; seatbelts under 6 South Dakota 75-I rural; 65-others as posted 911 but not widely available When visibility is 200 ft. or less Oct. 1-Apr. 30 Under age 5, or less than 40 lbs.; seatbelts under 5 & 40 + lbs. Tennessee 70-I rural; 55 on others *THP (*847) When visibility is 200 ft. or less Oct. 1-Apr. 15 Under age 4; seabelts under 13 Texas 70-I day, 65-I night, 55 night on others (800) 525-5555 or 911 When visibility is 1000 ft. or less All year; types that do not damage hwys. Under age 2; seatbelts under 4, or less than 3ft; seatbelts under age 17 Utah 75-I rural others as posted 911 or *11 for road assistance (State Restricts Cell Phones) When visibility is 1000 ft. or less Oct. 15-Mar. 31 soft studs only Under age 5; seatbelts under 19 Vermont 65-I; 50 on others or as posted 911 When visibility is 500 ft. or less No restrictions Under age 5; seabelts under 13 Virginia 65-I; 55 on others @ 911 or #77 When visibility is 500 ft. or less Oct. 15-Apr. 15 Under age 4; seabelts under 16 Washington 70 when posted; 55 on others 911 When visibility is 100 ft. or less Nov. 1-Apr. 1 Under age 6, or less than 60 lbs.; seabelts under 16 or 60 + lbs. West Virginia 70-I/TPK; 65 or 55 as posted *SP When visibility is 500 ft. or less Nov. 1-Apr.15 Under age 3; seabelts under 9 Wisconsin 65-I and 4-lane hwys.; 55 on open hwy.as posted 911 When visibility is 500 ft. or less Prohibited Under age 4; seabelts under 8 Wyoming 75-I; 65 on others as posted #4357 (HELP) or 911 When visibility is 1000 ft. or less No restrictions Chains may be req. in snow emergencies Under age 5; or less than 40 lbs. Alberta 100 km/h primary hwy; 80 km/h non-primary hwy. 911 + When visibility is 150 m. or less No restrictions Under age 6, or less than 18 kg British Columbia 80 km/h open hwy. or as posted 911 + When visibility is 150 m. Oct. 1-Apr. 30 Under age 6 Manitoba 90 km/h or as posted @ 911 + When visibility is 60 m. or less Oct. 1-Apr. 30 Under age 5, or less than 23 kg New Brunswick 80 km/h or as posted @ 911 in some areas or (800) 665-6663 + When visibility is 150 m. or less Oct. 16-Apr. 30 Under age 5. Up to 20 lbs. infant carrier rear-facing; 20-40 lbs. carseat facing forward; 40-45 lbs. lap belt and booster seat Newfoundland 100 km/h on Trans.-Can. Hwy; 90 km/h hwy w/paved shldr; 80km/h on others @ 911 + Nov. 1-Apr. 30 Mandatory Northwest Territories 100 km/h or as posted @ --- Required at all times No restrictions Required Nova Scotia 80 km/h or as posted @ 911 + When visibility is 150 m. or less Oct. 15-Apr. 30 Less than 18 kg Ontario 100 km/h 4-lane hwys; 80 km/h on others as posted @ 911 + When conditions warrant Prohibited Less than 18 kg seatbelts under 16 Prince Edward Island 80 km/h or as posted @ --- + When visibility is 150 m. or less Oct. 1-May 31 Mandatory Quebec 100 km/h on expwys; 90km/h on other paved hwys. @ --- + When conditions warrant Oct. 15-May 1 vehices less than 3,000 kg Under age 6, or less than 27 kg Saskatchewan 80 km/h 911 in major cities + When conditions warrant No restrictions Mandatory Yukon Territory 50 km/h or as posted @ 911 in Whitehorse only At all times No restrictions Under age 7; or less than 18 kg