Ok roads north and south are numbered ODD.. East and west are numbered even Starting from west to east they go up in numbers, from south to north the numbers go up as well.. I 5 is in the west part...
The longest Interstate Highway is I-90, running from Boston MA to Seatle WA with about 3100 miles.. The second longest Interstate highway is I-80, running from San Francisco CA to New York NY with...
Average Annual Daily Traffic. The mean number of vehicles passing a specified point of the road over a certain period of time. This is generally quoted as 2 way flow i.e. for both directions