Car speed limits in Mississippi (2026)

Last reviewed: 9 October 2026

In short: The driver manual lists 70 mph on interstates, 65 mph on four-lane state and U.S. highways and 55 mph on two-lane state and U.S. highways for passenger automobiles. School zones are 15 mph at school times. It gives no figure for urban areas.

RuleWhat applies
Built-up areasPassenger car on public roads⚠ Not yet verified
Outside built-up areas (single carriageway)Passenger car on public roads55 mph on two-lane state and U.S. highways [1]
Outside built-up areas (dual carriageway or expressway)Passenger car on public roads65 mph on four-lane state and U.S. highways (minimum 40 mph) [1]
MotorwaysPassenger car on public roads70 mph on interstates (minimum 40 mph) [1]
School zonesPassenger car on public roads15 mph for any vehicle in a school zone when passing a school during recess or while children are arriving at or leaving school during opening and closing hours. [1]

Notes

  • Figures are from the Department of Public Safety driver manual, which says the limits "usually apply" and that posted signs should be followed. The table covers passenger automobiles including unloaded half-ton trucks. The Mississippi Code was not available from an official free site.
  • From the Department of Public Safety driver manual. The Mississippi Code was not available from an official free site.

Sources

  1. Mississippi Department of Public Safety, Driver Service Bureau: Driver's License Manual (revised December 2024), 'Legal Speeds' (consulted 9 October 2026) · all sources

Mississippi and neighbouring states

StateBuilt-up areasOutside built-up areas (single carriageway)Outside built-up areas (dual carriageway or expressway)Motorways
Mississippi
⚠ Not yet verified
55 mph (two-lane highways)
65 mph (four-lane highways)
70 mph
Alabama
30 mph (urban districts)
55 mph
65 mph (4+ lanes)
70 mph
Arkansas
30 mph (urban districts)
⚠ Not yet verified
⚠ Not yet verified
75 mph (rural, 4+ lanes)
Louisiana
55 mph unless posted lower
55 mph unless posted lower
65 mph
70 mph
Tennessee
⚠ Not yet verified
55 mph (unless posted)
⚠ Not yet verified
70 mph (as low as 55 mph in cities)

More rules in Mississippi

Compare with the other states and provinces →

General information, not legal advice. Rules change: check the official source before you fly or ride.