Autopista de Circunvalación M-40

Autopista M-40
Circunvalación de Madrid

Route information
Part of
Length:	63.3 km (39.3 mi)
Highway system
Autopistas and autovías in Spain

M-40 kilometer 46

The M-40, in Spanish transport, is a Madrid orbital motorway, similar to the M25 motorway in London, or the Boulevard Périphérique in Paris. It is the second-outermost of the Madrid orbital highways, the M-30 being the closest to the centre of Madrid.

Overview

It has a total length of 63.3 km (39.3 mi), looping around Madrid and its suburb Pozuelo de Alarcón at a mean distance of 10.1 km (6.3 mi) to the Puerta del Sol. The actual distance is much closer in the southern and eastern spans, which have been engulfed by the city in some points; than in the west, where the Casa de Campo and the projection towards Pozuelo brings it further from Madrid itself.

Furthermore, it is the only one of the several ring roads serving Madrid that runs as a full-fledged motorway for all its length: a span about 2 kilometres (1.2 mi) long at the northern arc of the inner M-30 are not freeway-grade, having level crossings and traffic lights; while the outermost M-50 is not a full ring road due to the interruption caused by the Mount of El Pardo protected natural zone. With the "normal" M-40 traffic already being one of the heaviest in Spain, this provides for mighty jams in its northern span during peak hours. The Madrid regional government, which built the M-45 motorway external to the M-40 specifically to decongest the southern and eastern spans of the older beltway, has recently aired plans to address the northern jams by effectively "closing" the M-50 ring with a tunnel under the protected area.

Somewhat counterintuitively to foreigners and natives alike, the M in the road name does not indicate a hypothetical ownership of the road by the autonomous regional government of Madrid. Instead, both the M-40 and the M-50 are state-owned freeways, as shown by the white text on blue background of their signals, whereas Madrid regional motorways like the M-45 use black text on an orange background that identify them as pertaining to the "regional first order roads" category of the Spanish Traffic Code. The M-30, on the other hand, is managed by the Madrid City Council as an urban freeway.

External links

Media related to Autopista de Circunvalación M-40 at Wikimedia Commons

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 Ma20 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 AI82 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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