The limits in the United States at a glance, and what Ghost knows about the cameras there.
Ghost editorial teamLast updated:
Yes, there are speed cameras in the United States. Ghost knows 7,410 of them. Varies by state.
General speed limits for cars in United States
Road type
Cars
Built-up areas
Varies by state
Outside built-up areas
Varies by state
Motorways
Varies by state
Driving side
Right
The sign on the road always applies.
Each state sets its own limits, so the highest interstate limit changes as you cross state lines.
Cameras in the Ghost database
Speed cameras: 4,310
Red-light cameras: 2,806
Speed and red-light cameras: 294
Questions and answers
Are there speed cameras in the United States?
Yes, there are speed cameras in the United States. Ghost knows 7,410 of them.
What is the speed limit in the United States?
Varies by state.
Do they use km/h or mph in the United States?
Speed limits in the United States are posted in mph.
Which side of the road do you drive on in the United States?
You drive on the right in the United States.
Does Ghost work in the United States?
Yes. Ghost warns you about known fixed speed cameras and average-speed zones in the United States, and the data stays on your phone when the signal drops.
