| Interstates are ranked by:
miles in length (1 pt each mile),
states occupied (200 pts),
int'l borders touched (100 pts),
major 2-digit interstates generated(200 pts),
minor 2-digit interstates generated (100 pts),
major 2-digit interstates intersected (100 pts),
minor 2-digit interstates intersected (50 pts),
each 3-digit interstate its a parent of (150 pts),
and each 1 million population metro area it serves (100 pts). |