Autovía A-66

Autovía A-66
Autovía Ruta de la Plata

Route information
Part of
Length:	809 km (503 mi)
Major junctions
From:	Gijón
To:	Seville
Highway system
Autopistas and autovías in Spain

The Autovía A-66 is a major highway in western Spain. It also forms part of the European Route E803. The road is an upgrade of the N-630 which is being undertaken section by section. The route roughly corresponds to the ancient Roman 'Silver Route' from the mines of northern Spain to the Mediterranean. The final section of road south of Benavente is under construction as of October 2013 with completion anticipated in 2015.

Route

Autovía A-66 starts at Seville with a junction with the Autovía A-49. It heads north through the wooded Sierra Morena and passes over the Puerto de las Marismas. It then crosses from Andalucia into Extremadura. It heads through the town of Zafra on the way to Mérida crossing the Tierra de Barros. It ends in a junction with the Autovía A-5.

North of Mérida the road crosses the Sierra de San Pedro to the town and world heritage site of Cáceres. Then the road crosses the Tajo and Almonte rivers. The road heads north east as it enters the Sierra de Gredos. The road becomes the N-630 (at km 489) south of the town of Plasencia. It then heads to the university town of Salamanca via Béjar. The road crosses the Rio Tormes and the Autovía A-62The section north of Zamora leading to the Rio Duero. 18 km north where the road will meet the reservoir Embalse del Esla de Ricobayo is under construction as of October 2013. Here the N631 heads north west to the Autovía A-52, and the N-630 along the Rio Esla to the Autovía A-6. 6 km north the A-66 branches to the north with a downgraded N-630 parallel. The road then enters the province of León.

Autopista AP-66

At León the road becomes a toll Autopista AP-66 and the N-630 a trunk road as they pass through the Montes de León and Sierra Cantábrica. South of León there is a junction with the Autopista AP-71 and Autovía A-231. The N-630 crosses the Alto del Rabizo (1,160m) and Puerto de Pajares (1,379m). The AP-66 passes through the Negrón Tunnel, the sixth longest tunnel in Spain. Entering Asturias the roads re-converge 36 km south of the next major city Oviedo. There is a junction with the Autovía A-64 and AS-I. The A-66 finally ends 13 km north of Oviedo at a junction with the Autovía A-8 near Gijón on the Atlantic Coast.

Highways in Spain

Autovías (A) Autopistas (AP)

National routes	A1/AP1 A2/AP2 A3 A4/AP4 A5 A6/AP6 A7/AP7 A8/AP8 AP9 A10 A11 A12 A13¹ A14² A15/AP15 A16 A17³ A18⁴ A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 A33 A34 A35 AP36 AP37 A38 A39 A40 AP41 A42 A43 A44 A45 AP46 A47 A48 A49 A50 AP51 A52 AP53 A54 A55 A56 A57 A58 A59 A60 AP61 A62 A63 A64 A65 A66/AP66 A67 AP68 AP69 A70 AP71 A72 A73 A74 A75 A76 A77 A78 A79 A80 A91 Madrid Radial Motorways R1 R2 R3 R4 R5

Regional routes	Andalusia A92 A92G A92M A92N A301 A306 A308 A309 A316 A318 A330 A334 A339 A357 A364 A374 A375 A376 A381 A382 A383 A384 A394 A397 A401 A403 A461 A484 A493 A495 A496 Aragon ARAA1 ARAA2 ARAA3 Asturias AS1 AS2 AS3 Balearic Islands MA1 MA13 MA19 Basque Country BI631 BI636 BI637 GI131 GI632 N637 Canary Islands GC1 GC2 GC3 GC4 TF1 TF4 TF5 Castile–La Mancha CM10 CM40 CM41 CM42 CM43 CM44 CM45 Castile and León A231 A601 CL631 Catalonia C13 C14 C15 C16 C17 C25 C31 C32 C33 C35 C58 C60 C65 Extremadura EXA1 EXA2 EXA3 EXA4 Galicia AG3 AG5 AG6 AG41 AG54 AG55 AG56 AG57 AG58 A59 AG64 La Rioja LR111 LR134 Madrid M30 M40 M45 M50 M406 M407 M409 M501 M506 M607 Murcia MU312 MU415 MU3211 MU3419 Valencian Community CV10 CV18 CV30 CV31 CV33 CV35 CV36 CV40 CV70 CV80 CV84 CV86 CV90 CV95

Urban routes	A Coruña AC10 AC11 AC12 AC14 Alacant/Alicante AL70 AL77 AL79 Almería AL12 AL14 Avilés AI81 Badajoz BA11 BA20 Barcelona B10 B20 B21 B22 B23 B24 B30 B40 Burgos BU11 BU30 Cáceres CC11 CC21 CC23 Cádiz CA31 CA32 CA33 CA34 Cartagena CT31 CT32 CT33 CT34 Castelló/Castellón CS32 Córdoba CO31 CO32 Cuenca CU11 Elche/Elx EL20 EL28 Ferrol FE11 FE12 FE13 FE14 Gijón GJ10 GJ20 GJ81 Granada GR12 GR14 GR16 GR30 GR43 Huelva H30 H31 Ibiza IB20 Jaén JA12 JA14 León LE12 LE20 LE30 Lleida LL11 LL12 Logroño LO20 Lugo LU11 Madrid M11 M12 M13 M14 M21 M22 M23 M30 M31 M40 M45 M50 Málaga MA20 MA21 MA22 MA23 MA24 MA40 Mérida ME11 Murcia MU30 MU31 Oviedo O11 O12 O13 Ourense OU11 Palencia P11 Palma de Mallorca MA20 Pontevedra PO10 PO11 PO12 Puertollano PU11 Salamanca SA11 SA20 Santander S10 S20 S30 Santiago de Compostela SC11 SC12 SC20 Segovia SG20 Seville SE20 SE30 SE40 SE50 Soria SO20 Tarragona T11 Toledo TO20 TO21 TO22 TO23 Valladolid VA11 VA12 VA20 VA30 Valencia V11 V15 V21 V23 V30 V31 Vigo VG20 Zamora ZA11 ZA12 ZA13 ZA30 Zaragoza Z30 Z32 Z40

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

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