Category:Roads numbered 21

• Signs for roads numbered 21 (1 C, 111 F)

*

• Twenty-first streets (5 C)

A

• A21 (Belgium) (8 F)
• A21 (Greece) (1 F)
• A21 (Lithuania) (1 F)
• A21 (Portugal) (4 F)
• A21 (Switzerland) (1 C, 4 F)
• A21 autoroute (2 C, 11 F)
• A21 road (England) (6 C, 173 F)
• A21 road (Northern Ireland) (2 F)
• Aichi Prefectural Road Route 21 (1 F)
• Alabama State Route 21 (1 C, 15 F)
• Arkansas Highway 21 (16 F)
• Autostrada A21 (Italy) (5 C, 8 F)
• Autovía A-21 (10 F)

B

• British Columbia Highway 21 (2 F)
• Bundesautobahn 21 (1 C, 1 P, 23 F)
• Bundesstraße 21 (2 C, 4 F)

C

• Chiba Prefectural Road Route 21 (5 F)
• Colorado State Highway 21 (2 C, 13 F)
• Connecticut Route 21 (5 F)
• County Route 21 (Nye County, Nevada) (26 F)
• County Route 21 (White Pine County, Nevada) (1 C, 2 F)
• County Route 51/21 (Berkeley County, West Virginia) (2 F)

E

• E21 (2 C, 2 F)
• Ehime Prefectural Road Route 21 (1 C, 36 F)

F

• National road 21 (Finland) (1 C, 52 F)
• Florida State Road 21 (16 F)
• Fukuoka Prefectural Road Route 21 (1 C, 21 F)

G

• Georgia State Route 21 (4 C, 4 F)

H

• Highway 21 (Taiwan) (4 C, 6 F)
• Hiroshima Prefectural road 21 (5 F)
• Hyogo Prefectural Road Route 21 (20 F)

I

• Idaho State Highway 21 (1 C, 5 F)
• Illinois Route 21 (6 F)
• Iowa Highway 21 (1 C, 5 F)
• Jerusalem Road 21 (1 F)

K

• Kagoshima Prefectural Road Route 21 (4 C, 16 F)
• Kanagawa prefectural road route 21 (2 C, 43 F)
• Kentucky Route 21 (1 C, 3 F)

L

• Road P21 (Latvia) (3 F)
• Louisiana Highway 21 (17 F)

M

• M-21 (Michigan highway) (1 C, 5 F)
• M-21 highway (1 F)
• Maryland Route 21 (1 C, 2 F)
• Massachusetts Route 21 (5 F)
• Mississippi Highway 21 (2 F)
• Missouri Route 21 (6 F)

N

• N21 (Belgium) (4 C)
• N21 road (Algeria) (2 F)
• National road 21 (Poland) (14 F)
• National Route 21 (South Korea) (2 F)
• Nebraska Highway 21 (1 C, 3 F)
• New Jersey Route 21 (4 C, 1 F)
• New Mexico State Road 21 (1 C, 3 F)
• New York State Route 21 (3 C, 42 F)
• NH 21 (India) (15 F)
• Niigata Prefectural Road Route 21 (1 F)
• North Dakota Highway 21 (1 P, 3 F)

O

• Ohio State Route 21 (2 C, 9 F)
• Okayama Prefectural Road Route 21 (2 C, 13 F)
• Ontario Highway 21 (1 C, 16 F)

P

• Pennsylvania Route 21 (2 C, 16 F)
• Puerto Rico Highway 21 (17 F)

Q

• Queensbury Footpath 21 (2 F)

R

• R21 Kola Federal Highway (Russia) (15 C, 3 F)
• Route 21 (Japan) (5 C, 58 F)
• Route 21 (Hungary) (4 C, 26 F)
• Route départementale 21 (Puy-de-Dôme) (2 C, 4 F)
• Route nationale 21 (Luxembourg) (4 C, 4 F)

S

• Saitama Prefectural Road Route 21 (5 F)
• Saskatchewan Highway 21 (2 F)
• South Carolina Highway 21 (2 F)
• South Dakota Highway 21 (1 C, 1 P, 2 F)
• Strada provinciale 21 Nuova Bovesana (1 F)
• Strada provinciale 21 Sarzana-Marinella (1 F)
• Strada provinciale 21 Val Sillaro (1 F)
• Strada statale 21 della Maddalena (5 F)
• Swedish national road 21 (1 F)

T

• Tennessee State Route 21 (1 C, 2 F)
• Texas State Highway 21 (2 C, 15 F)
• Texas State Highway Loop 21 (1 C, 5 F)
• Thailand Route 21 (6 F)
• Tokushima Prefectural Road Route 21 (27 F)
• Tottori Prefectural Road Route 21 (21 F)

U

• U.S. Route 21 (13 C, 3 F)
• Utah State Route 21 (3 C, 3 F)

W

• Washington State Route 21 (7 F)
• Wisconsin Highway 21 (1 C, 35 F)

Y

• Yamanashi prefectural Road Route 21 (10 F)