Autovía B-21

The Autovía B-21 is a Spanish motorway that is an access road to the Port of Barcelona from the A-2 and the B-20 (Ronda de Dalt).^[1]

References

^ "NOMENCLATURA Y CATALOGO DE AUTOPISTAS Y AUTOVÍAS" (PDF). Ministerio de Fomento.

Highways in Spain

Autovías
Autopistas

National routes

Regional routes

Andalusia	A-92 A-92G A-92M A-92N A-301 A-306 A-308 A-309 A-316 A-318 A-330 A-334 A-339 A-357 A-364 A-374 A-375 A-376 A-381 A-382 A-383 A-384 A-394 A-397 A-401 A-403 A-461 A-484 A-493 A-495 A-496
Aragon	ARA-A1 ARA-A2 ARA-A3
Asturias	AS-I AS-II AS-III
Basque Country	A-636 BI-631 BI-636 GI-11 GI-20 N-102 N-124 N-622 N-637 N-644
Castile–La Mancha	CM-10 CM-40 CM-41 CM-42 CM-43 CM-44 CM-45
Castile and León	A-231 A-601 CL-631
Catalonia	C-13 C-14 C-15 C-16 C-17 C-25 C-31 C-32 C-33 C-35 C-58 C-60 C-65
Extremadura	EX-A1 EX-A2 EX-A3 EX-A4
Galicia	AG-3 AG-5 AG-6 AG-41 AG-54 AG-55 AG-56 AG-57 AG-58 AG-59 AG-64
La Rioja	LR-111 LR-134
Madrid	M-45 M-406 M-407 M-409 M-501 M-506 M-607
Murcia	RM-1 RM-2 RM-3 RM-11 RM-12 RM-15 RM-16 RM-17 RM-19 RM-23
Valencia	CV-10 CV-18 CV-30 CV-31 CV-33 CV-35 CV-36 CV-40 CV-60 [es] CV-70 CV-80 CV-84 CV86 [es] CV-90 CV-95

Insular routes

Gran Canaria	GC-1 GC-2 GC-3 GC-4
Lanzarote	LZ-3
Mallorca	Ma-1 [es] Ma-13 [es] Ma-19 [es] Ma-20
Tenerife	TF-1 TF-4 TF-5

Municipal routes

Barcelona
- B-10
- B-20
Madrid
- M-30

Urban routes

A Coruña
- AC-10
- AC-11
- AC-12
- AC-14
Alacant/Alicante
- A-70
- A-77
- A-79
Almería
- AL-12
- AL-14
Avilés
- AI-81
- AI-82
Badajoz
- BA-11
- BA-20
Barcelona
- B-10
- B-20
- B-21
- B-22
- B-23
- B-24
- B-30
- B-40
Burgos
- BU-11
- BU-30
Cáceres
- CC-11
- CC-21
- CC-23
Cádiz
- CA-31
- CA-32
- CA-33
- CA-34
Cartagena
- CT-31
- CT-32
- CT-33
- CT-34
Castelló/Castellón
- CS-32
Córdoba
- CO-31
- CO-32
Cuenca
- CU-11
Elche/Elx
- EL-20
- EL-28
Ferrol
- FE-11
- FE-12
- FE-13
- FE-14
Gijón
- GJ-10
- GJ-20
- GJ-81
Granada
- GR-12
- GR-14
- GR-16
- GR-30
- GR-43
Huelva
- H-30
- H-31
Jaén
- JA-12
- JA-14
León
- LE-12
- LE-20
- LE-30
Lleida
- LL-11
- LL-12
Logroño
- LO-20
Lugo
- LU-11
Madrid
- M-11
- M-12
- M-13
- M-14
- M-21
- M-22
- M-23
- M30
- M-31
- M40
- M-45
- M50
Málaga
- MA-20
- MA-21
- MA-22
- MA-23
- MA-24
- MA-40
Mérida
- ME-11
Murcia
- MU-30
- MU-31
Oviedo
- O-11
- O-12
- O-13
Ourense
- OU-11
Palencia
- P-11
Pontevedra
- PO-10
- PO-11
- PO-12
Puertollano
- PU-11
Salamanca
- SA-11
- SA-20
Santander
- S-10
- S-20
- S-30
Santiago de Compostela
- SC-11
- SC-12
- SC-20
Segovia
- SG-20
Seville
- SE-20
- SE-30
- SE-40
- SE-50
Soria
- SO-20
Tarragona
- T-11
Toledo
- TO-20
- TO-21
- TO-22
- TO-23
Valladolid
- VA-11
- VA-12
- VA-20
- VA-30
Valencia
- V-11
- V-15
- V-21
- V-23
- V-30
- V-31
Vigo
- VG-20
Zamora
- ZA-11
- ZA-12
- ZA-13
- ZA-30
Zaragoza
- Z-30
- Z-32
- Z-40

¹ numbered N-111
² numbered N-230
³ numbered C-33
⁴ numbered C-16