State passes law to increase truck speed limits

The state will still have different speed limits for cars and trucks.

Speed Limit Montana

Lawmakers in Montana have passed a bill that will increase the speed limit for commercial vehicles on both interstates and highways, doing away with different speed limits for day and night for truck drivers.

On May 10, Montana Governor Steve Bullock signed HB393 into law. The new legislation will increase truck speed limits on interstate highways from 65 m.p.h. to 70 m.p.h. at all hours of the day.

The bill will also increase truck speed limits on the public highways from 60 m.p.h. to 65 m.p.h. at all hours of the day.

It isn’t yet clear when the new speed limits will go into effect.

Truck speed limits on two lane state highways are currently limited to 60 m.p.h. in the day and 55 m.p.h. at night. Car drivers are permitted to drive 70 m.p.h. in the day and 65 m.p.h. at night on these highways.

Passenger vehicle drivers will continue to be allowed to travel at 80 m.p.h. on non-urban interstate highways.

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