Driving Regulations
| 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 |
| 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 | *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 rural; 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 (*477) | 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 |
| I = Interstate | @ = Radar detectors illegal | SEATBELT USE IS MANDATORY IN ALL STATES EXCEPT NEW HAMPSHIRE |
 State and Provincial Cellular Phone restrictions are evolving. Please contact a local club or law enforcement authority for current regulations. All information provided on this page was verified and believed accurate at time of posting. The publisher is not responsible for any changes that occur after publication. The use of emergency cellular numbers may be limited due to terrain, weather or technological limitations. |
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