Is there really a rule that says that even highways go East/West, and that odd numbered highways go north/south? Because the two closest highways to me are 680 and 880, and both go North/South. Does it have to be a certain length in order to fit under the rules or something?
Odd and even highways..
- Thread starter Syringer
- Start date
No, but the major north-south interstates increase by ten as you go west to east, starting from I-5 in the west to the I-95 on the east.
680 and 880 are both branches of highway 80. A three digit highway number indicates that the highway is a branch. The last two digits indicate what highway the branch originates from. The first digit indicates whether or not the branch returns to the highway of origin. An even leading first digit indicates that the branch will return to the highway it originates from. Typically these highways are loops or bypasses that go around cities to help people avoid downtown traffic. An odd first digit indicates that the branch does not return to the highway of origin. These branches can violate the north/south/odd, east/west/even numbering scheme.
EDIT: Should have let you read the snopes article and saved myself from typing all that up. I learned all this in drivers ed. in high school.
R
Does any place have more than 4 nonbranching highways running through it?
Dallas has 35, 45, 10, and 20.
Plus, of course, highways like 635, which are branches...
Dallas has 35, 45, 10, and 20.
Plus, of course, highways like 635, which are branches...
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