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.
Mile markers on highways typically run from east to west to provide consistency in navigation and directions. This standardized approach helps drivers easily track their progress and understand their position on the road. Running mile markers in both directions may cause confusion and complicate navigation.
The State of Idaho borders the State of Montana directly to the West.
Illinois borders Indiana to the west.
The Mediterranean Sea borders Canaan to the west.
Arkansas borders Oklahoma to the west.
Ecuador borders southwest Colombia, and Panama borders northwest Colombia.
The two country is Israel and Jordan between the west bank.
Canada's west coast borders the Pacific Ocean.
Europe borders Asia on the west.
The state of South Australia borders victoria to the west.