Mile marker zero is where a highway enters the west or south border of the state. If the highway begins within a state, zero is the western or southern end of the road.
Mile marker #1 is 1 mile N. of the Southern border of the state. Not sure how east west works. For West to East, mile marker #1 is 1 mile east of the western border of the state
Decsending east to west.
The State of Idaho borders the State of Montana directly to the West.
Arkansas borders Oklahoma to the west.
The two country is Israel and Jordan between the west bank.
The state of South Australia borders victoria to the west.
Canada's west coast borders the Pacific Ocean.
They measur the miles of highway in use. Starting from the west at one mile amd from the south at one mile. SO if you were traveling from the western or southern border of your state you would know exactly how many miles you had come.Added: The mile markers also PRIMARILY identify the location on the Interstates so that emergency and service vehicles can identify where they are. The intersections are few and usually far between and there are no intersection roads, so being able to pinpoint the location of an incident becomes of prime importance.
Every ocean on earth borders the west of some continent.
Virginia borders West Virginia to the southeast.
California borders Nevada to the south and west.
California borders Nevada to the south and west.