Category:Roads numbered 78

• Signs for roads numbered 78‎ (1 C, 39 F)

A

• A78 road (Scotland)‎ (3 C, 14 F)
• Aichi Prefectural Road Route 78‎ (2 F)
• Arizona State Route 78‎ (4 F)
• Arkansas Highway 78‎ (1 P, 4 F)

B

• B78 road (Northern Ireland)‎ (2 F)

C

• California State Route 78‎ (3 C, 16 F)
• Colorado State Highway 78‎ (1 C, 4 F)
• County Route 78 (Bergen County, New Jersey)‎ (1 C)

E

• E78‎ (1 C, 10 F)

F

• National road 78 (Finland)‎ (1 C, 11 F)
• Florida State Road 78‎ (20 F)

G

• G78 Shankun Expressway‎ (11 F)
• Gunma Prefectural Road Route 78‎ (6 F)

H

• Hawaii Route 78‎ (1 F)
• Higashi-Kyushu Expressway‎ (6 C, 67 F)
• Highway 78 (Taiwan)‎ (3 C, 11 F)

I

• Idaho State Highway 78‎ (1 C, 8 F)
• Illinois Route 78‎ (1 C, 10 F)
• Interstate 78‎ (5 C, 1 F)
• Iowa Highway 78‎ (1 C, 20 F)

K

• Kentucky Route 78‎ (6 F)

L

• Louisiana Highway 78‎ (2 F)

M

• M-78 (Michigan highway)‎ (40 F)
• Massachusetts Route 78‎ (3 F)
• Minnesota State Highway 78‎ (6 F)
• Montana Highway 78‎ (1 C, 2 F)

N

• New Hampshire Route 78‎ (29 F)
• New Mexico State Road 78‎ (4 F)
• New York State Route 78‎ (44 F)
• North Carolina Highway 78‎ (2 F)

O

• Ohio State Route 78‎ (107 F)
• Oklahoma State Highway 78‎ (1 C, 7 F)
• Oregon Route 78‎ (6 F)

R

• Rhode Island Route 78‎ (8 F)
• Road P78 (Latvia)‎ (3 F)
• Route 78, Uruguay‎ (4 F)

S

• Saitama Prefectural Road Route 78‎ (7 F)
• Strada provinciale 78 Castelfranco-Monteveglio‎ (1 F)
• Strada Statale 78 Picena‎ (2 F)

T

• Tennessee State Route 78‎ (1 C, 3 F)

U

• U.S. Route 78‎ (12 C, 1 F)
• Utah State Route 78‎ (2 C, 9 F)
• Utah State Route 78 (1935-1969)‎ (1 C, 13 F)

V

• Virginia State Route 78‎ (3 F)

W

• Wisconsin Highway 78‎ (2 C, 10 F)