Driving just 1mph UNDER speed limit could land motorists in jail

Driving just one mile per hour below the speed limit could now land Louisiana motorists behind bars.

Several new traffic laws took effect Friday in the southern state, including one that criminalizes left-lane drivers going just 1 mph below the speed limit - a significant drop from the previous 10 mph threshold, as reported by The Mirror.

Rural interstate highways have a speed limit of 75mph, urban interstates are set at 70mph, divided highways at 65 mph, and most other roads typically have a 55mph limit, according to the Louisiana Department of Transportation and Development (DOTD).

Drivers who fail to maintain the required speed - specifically in the left lane - will face a $150 fine for the first offense, with penalties increasing by $100 for each subsequent violation.

Those who repeatedly creep even slightly below the speed limit risk facing up to a month in jail.