Keep Right
STATE LAWS
“Keep Right” State Laws Interactive Map
Scroll over the state to reveal the “Keep Right” Law. You can click on the state to be taken to the state law in another tab.
All states allow drivers to use the left lane (when there is more than one in the same direction) to pass. Most states restrict use of the left lane by slow-moving traffic that is not passing.
States which only allow passing in the left lane:
- Arkansas
- Illinois
- Kentucky
- Louisiana
- Maine
- Massachusetts
- New Jersey
States which require slower traffic to move right only if they are blocking traffic:
- Florida
- Georgia
- Nevada
- Utah
- Virginia
States which require drivers moving slower than the speed limit to move right:
- Alaska
- Maryland
- North Carolina
- Ohio
- Puerto Rico
States with other rules
- Michigan allows only passing on the left lane unless there is heavy traffic or more than three lanes on the freeway
- Pennsylvania and Washington allow use of the left lane to pass, allow traffic to merge, or "when traveling at a speed greater than the traffic flow."
States which require slower traffic to move right:
- Alabama
- Arizona
- California
- Colorado
- Connecticut
- Delaware
- Hawaii
- Idaho
- Indiana
- Iowa
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- New Hampshire
- New Mexico
- New York
- North Dakota
- Oklahoma
- Oregon
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Vermont
- West Virginia
- Wisconsin
- Wyoming
There are two ways for drivers to take positive action against slow blocking drivers.
We believe that once the Smart Phone Processing System is popular, it will lead the way to the Vehicle Processing System.
Processing System
operating via smart phone technology
and an App.
The smart phone is held in a dashboard holder.
Processing System
operating in the vehicle
Installed at the time of manufacturing by an OEM (Original Equipment Manufacturer) or by Retrofit in an auto repair shop, car dealership, etc.
“Slow Blocking Drivers really make me angry, but having MOSD in my car makes me smile!”
“MOSD has made my driving world so much better!”
“Having MOSD in my car gives me personal power!”
“Thank you MOSD. It is great to report slow bad drivers!”
“MOSD is a great invention that will save many lives!”
“Driving is more fun with my MOSD App. Now I can report those Slow Pokes!”
