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List of highways numbered 378
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The following highways are numbered 378:
Canada
Japan
United States
- Interstate 378 (former)
- U.S. Route 378
- Georgia State Route 378
- Louisiana Highway 378
- Maryland Route 378 (unsigned)
- Nevada State Route 378 (former)
- New Mexico State Road 378
- New York State Route 378
- Ohio State Route 378
- Pennsylvania Route 378
- Puerto Rico Highway 378
- Virginia State Route 378
Preceded by 377 |
Lists of highways 378 |
Succeeded by 379 |