Resources:
Speed Limit Fact Sheet ( PDF )
Free to download, print & distribute.
State Rural Interstates Urban Interstates Other Limited Access Roads
Cars
(mph)
Trucks
(mph)
Cars
(mph)
Trucks
(mph)
Cars
(mph)
Trucks
(mph)
70 70 65 65 65 65
55 55 55 55 55 55
75 75 65 65 65 65
70 70 65 (60 on specified limits) 65 (60 on specified limits) 55 (60 on specified limits) 55 (60 on specified limits)
70 55 65 55 70 55
75 75 65 65 65 65
65 65 55 55 65 65
55 55 55 55 65 65
N/A N/A 55 55 N/A N/A
70 70 65 65 70 70
70 70 55 55 65 65
Georgia’s ‘Super Speeder Law’ adds on $200 in state fees for any driver convicted of speeding at >75 on any two-lane roads or >85 on multiple lane roads anywhere in the state.
Guam does not have any Interstates. The maximum speed limits for cars and trucks are: 35 in rural area; 15 in residential areas; and 15 or 25 in school zones.
60 60 60 60 55 55
75; 80 on specified segments 70 65 65 70 70
70 70 55 55 65 55
70 65 55 55 60 60
70 70 55 55 65 65
75 75 70 70 70 70
65 65 65 65 65 65
70 on specific segments based on an engineering and traffic investigation
75 75 70 70 70 70
65-75 65-75 50-70 50-70 75 75
Two limited access highways are posted at 55.
70 70 65 65 55 55
65 65 65 65 65 65
70 (75 on select segments) 65 70 60; 55 if speed limit for cars is <70 70 60; 55 if speed limit for cars is <70
70 70 55, 60 or 65 55, 60 or 65 65 65
70 70 70 70 70 70
70 70 60 60 65 65
80 65 65 65 Day: 70
Night: 65
Day: 70 (Light Trucks), 60 (Heavy Trucks)
Night: 65 (Light Trucks), 55 (Heavy Trucks)
75 75 65 65 65 65
80 80 65 65 70 70
65 (70 on specified segments) 65 (70 on specified segments) 65 (70 on specified segments) 65 (70 on specified segments) 55 (70 on specified segments) 55 (70 on specified segments)
65 65 55 55 65 65
75 75 65 65 60-70 60-70
65 65 55 55 55 55
Except certain designated highways
70 70 70 70 70 70
75 75 75 75 4-lane: 70; other: 65 4-lane: 70; other: 65
<75 on some rural Interstates
None None 45 25 None None
70 70 65 65 70 70
75 75 65 65 70 70
65 (70 on specified segments) 60 (65 on specified segments) 55 55 55 55
60 in some sections; can be changed from 55 to 60 for cars.
65 65 65 65 65 65
Limit of 70 MPH on specific segments based on an engineering and traffic investigation
65 65 55 55 55 55
70 70 70 (60 on specified segments) 70 (60 on specified segments) 55 55
80 80 80 80 70 70
70 70 70 70 65 65
75; 80 or 85 on specified segments 75; 80 or 85 on specified segments 75 75 75 75
75; 80 on specified segments 75; 80 on specified segments 65; 70 on specified segments 65; 70 on specified segments 75 75
65 65 55 55 50 50
40 40 55 55 20 20
70 70 70 70 65 65
70 60 60 60 60 60
70 70 60 or 65 60 or 65 65 65
70 70 70 70 70 70
75 (80 on specified segments) 75 (80 on specified segments) 65 (70 on specified segments) 65 (70 on specified segments)

1 Alaska’s default speed limit is 55 mph. 65 on select Interstate routes is by engineering investigation and case by case, not automatic or default.
2 Rhode Island speed limits are not set by law, but by state traffic commission.
3West Virginia speed limits, in general, are not set by law, but by the Commissioner of the Division of Highways.

Updated December 2018