I-12 between Baton Rouge and I-59 near the Louisiana Mississippi border is actually a shorter route than I-10 between those same points, since I-10 dips to the south to go through New Orleans. Those traveling from or to Baton Rouge and points west to or from the Mississippi Louisiana border and points east who do not wish to detour into New Orleans should leave I-10 and take I-12 for its entire route until it again meets with I-10.
I-10 around the North and East sides of downtown Phoenix, Arizona was slated to be named I-410 and I-10.
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2 Major Cities Along the Route (from West to East)
3 Intersections with other Interstates
4 Spur Routes
Number of Miles
Major Cities Along the Route (from West to East)
Intersections with other Interstates