Speed

General Reference: Mississippi Code Annotated

Basis for a Speed Law Violation:

Basic Speed Rule: See Careless Driving.

Statutory Speed Limit:

70 MPH for private passenger vehicles or passenger buses on interstate

See Other below. highways or on U.S. designated highways with 4 or more lanes. '63-3-501 (&3)

65 MPH for private passenger vehicles or passenger buses on other highways. '63-3-501 (&2)

60 MPH for trucks or truck-trailers on highways with 4 or more lanes '63-3-501 (&1)

55 MPH for trucks or truck-trailers on other highways '63-3-501 (&1)

Posted (Maximum) Speed Limit: I. Based on engineering and traffic investigations, the State Highway Commission may decrease the above speed limits. '63-3-503 (&1) Note: Except as noted under Other below, Mississippi law does not specifically state whether different highway speed limits may be established either for different types of vehicles, for various weather conditions or for different times of the day.

II. Based on engineering and traffic investigations, local governments may decrease the maximum speed limits on streets or highways under their jurisdictions. However, no posted speed limit shall be <15 MPH '63-3-511 (&1)

III. Based on engineering and traffic investigations, local governments may adopt speed limits on limited portions of highways that are near schools or churches. The local government may provided that these special limits shall only be in effect during certain days or times. '63-3-515

Minimum Speed Limit: A person, driving at less than the normal speed of traffic, shall drive in the right-hand lane then available for traffic or as close as practicable to the right-hand curb or edge of the roadway. '63-3-603

Posted (Minimum) Speed Limit: 30 MPH on Federal designated highway when no hazard exists '63-3-509(1)

40 MPH on Interstate highways on 4 lane U.S. designated highways which have a posted maximum speed limit of 70 MPH '63-3-509(2)

Other:

I. A school bus shall not be operated at a speed >45 MPH while transporting children to and from school on regular routes. However, such bus may be operated at not >50 MPH on authorized school trips. '37-41-47

II. During inclement weather or when visibility is bad, a truck or truck-trailer cannot be operated >45 MPH. '63-3-505

III. The State Highway Commission may establish safe maximum speed limits for bridges or elevated structures. '63-3-513

IV. Speed limits may be established for a Ahighway work zone.@ '63-3-516(1)

 

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