Category:Roads numbered 66

• Signs for roads numbered 66‎ (1 C, 57 F)

A

• Aichi Prefectural Road Route 66‎ (2 F)
• Alberta Highway 66‎ (9 F)
• Arizona State Route 66‎ (1 C, 13 F)
• Arkansas Highway 66‎ (11 F)
• Autovía A-66‎ (7 C, 20 F)

B

• B66 road (Northern Ireland)‎ (4 F)
• Bundesautobahn 66‎ (8 C, 1 P, 78 F)
• Bundesstraße 66‎ (4 F)
• Bundesstraße 66n‎ (4 F)

C

• California State Route 66‎ (2 F)
• Colorado State Highway 66‎ (1 C, 3 F)
• Connecticut Route 66‎ (1 C, 245 F)
• County Route 66 (Bergen County, New Jersey)‎ (1 C)

D

• DN66‎ (2 F)

E

• A66 road (England)‎ (6 C, 80 F)
• Estonian national road 66‎ (2 F)

F

• National road 66 (Finland)‎ (15 F)
• Florida State Road 66‎ (34 F)
• A66 autoroute‎ (10 F)

G

• Gifu Prefectural Road Route 66‎ (7 F)
• Gunma Prefectural Road and Tochigi Prefectural Road Route 66‎ (10 F)

H

• Hokkaido Prefectural Road Route 66‎ (1 C, 2 F)
• Route 66 (Hungary)‎ (4 F)

I

• Idaho State Highway 66‎ (2 F)
• Indiana State Road 66‎ (2 C, 13 F)
• Interstate 66‎ (5 C, 5 F)

K

• K-66 (Kansas highway)‎ (1 C, 3 F)
• Kentucky Route 66‎ (1 C, 7 F)

L

• Louisiana Highway 66‎ (2 F)

M

• M-66 (Michigan highway)‎ (2 C, 12 F)
• M66 motorway‎ (1 C, 95 F)
• Maryland Route 66‎ (1 C, 10 F)
• Massachusetts Route 66‎ (2 F)
• Missouri Route 66‎ (1 P, 3 F)

N

• N66 road (Algeria)‎ (5 F)
• Nebraska Highway 66‎ (1 C, 2 F)
• New Jersey Route 66‎ (1 C, 6 F)
• New York State Route 66‎ (2 C, 2 F)
• North Carolina Highway 66‎ (1 C, 2 F)
• North Carolina Highway 66 (1921-1934)‎ (empty)
• North Dakota Highway 66‎ (1 P, 2 F)

O

• Ohio State Route 66‎ (3 C, 18 F)
• Oklahoma State Highway 66‎ (1 C, 13 F)
• Oregon Route 66‎ (16 F)

P

• Pennsylvania Route 66‎ (2 C, 49 F)
• Puerto Rico Highway 66‎ (1 C, 5 F)

R

• Road I/66 (Czech Republic)‎ (1 C, 3 F)
• Road I/66 (Slovakia)‎ (1 C, 78 F)
• Road P66 (Latvia)‎ (2 F)
• Route 66, Uruguay‎ (1 F)
• Route D66 (Ain)‎ (59 F)
• Route nationale 66 (France)‎ (1 C, 14 F)

S

• Saitama Prefectural Road Route 66‎ (6 F)
• Selangor State Highway B66‎ (6 F)
• South Carolina Highway 66‎ (3 F)
• Autopista AP-66‎ (2 C, 7 F)
• Strada provinciale 66 delle Saline‎ (2 F)
• Strada provinciale 66 Querciola-Confine Modenese‎ (1 F)
• Strada statale 66 Pistoiese‎ (1 F)
• Swedish national road 66‎ (6 F)

T

• Highway 66 (Taiwan)‎ (6 F)
• Tennessee State Route 66‎ (2 F)
• Texas State Highway 66‎ (1 C, 5 F)

U

• U.S. Route 66‎ (27 C, 3 F)
• U.S. Route 66 in Arizona‎ (16 C, 76 F)
• Utah State Route 66‎ (1 C, 2 F)

V

• Vermont Route 66‎ (3 F)

W

• West Virginia Route 66‎ (3 F)
• Wisconsin Highway 66‎ (1 C, 5 F)