Speed Limits
Below is a history of the state's speed limits:
|
Year |
Speed Limit |
Roads/Vehicles Affected |
|
Prior to 1963 |
60 MPH |
--All roadways |
|
|
50 MPH |
--Trucks over 3/4-ton
--At night (all vehicles, all roadways) |
|
1963 - 1974 |
70 MPH |
--Interstates, selected four-lane |
|
|
60 MPH |
--All other roadways
--Trucks over 3/4-ton
--At night (all vehicles, all roadways) |
|
1974 - 1987 |
55 MPH |
--All roadways, all vehicles |
|
July 1987 - May 1996 |
65 MPH |
--Rural interstates |
|
|
55 MPH |
--Urban interstates
--All other roadways (except rural interstates)
|
|
May 20, 1996 |
70 MPH
65 MPH
55 MPH
45 MPH |
--Interstates
--Roadways with four or more lanes
--Other roadways unless otherwise marked
--County roadways unless otherwise marked |
|
|
|
--Speed limits on all non-paved county roads are 35 mph
--Speed limits in residential areas are 25 mph
--Speed limits in school zones are 15 mph |