If you use the Turnpike (I95), you can get from Portland to Auburn in about 35 to 40 minutes at speed limit.
Going the speed limit, staying on I-95 the whole way, 21 hours.
826 limit
Lots of 'em. If you save up twenty points, you get a free toaster.
Going 49 mph in a residential area here in Maine will get you jail time. It'll be 30-day jail sentence and a $500 fine.
To break the speed limit in order to overtake another vehicle that is travelling at the speed limit, is an offence as you are breaking the speed limit! If the vehicle in front is below the speed limit, you should be able to overtake without breaking the speed limit.
When another speed limit sign is reached that changes the limit from the previously posted one.
The speed limit in the fast lane is the same as the speed limit for the road or highway you are driving on.
the posted speed limit
The posted speed limit is the max speed.
In the UK the speed limit comes into force as soon as you pass the speed limit sign. As such the distance is zero as you should have slowed down to the posted speed limit before passing the sign.
The humps do not affect the speed limit. The speed limit is determined by other rules and signs.