Speed Limit Laws: Oklahoma

Rural Interstates

Cars (MPH) Trucks (MPH)
75 75

Urban Interstates

Cars (MPH) Trucks (MPH)
65 65

Other Limited Access Roads

Cars (MPH) Trucks (MPH)
70 70

Note: Speed limit of 70 MPH on divided roads that have a concrete median or buffer zone separating opposite lanes. 

State