VG-20

The VG-20 is a Spain dual carriageway, essentially a free dual-lane highway. It serves as the second bypass (Segundo Cinturón) road circling Vigo in the province of Pontevedra.

Autovía VG-20
Route information
Length	13 km (8.1 mi)
Major junctions
Orbital around Vigo
From	Vigo–Peinador Airport
To	Autopista AP-9
Location
Country	Spain
Autonomous community	Galicia
Province	Pontevedra
Highway system
Highways in Spain Autopistas and autovías National Roads

A tunnel under construction under the Park of Castrelos will join Avenida De Madrid (the main entrance to the Center of Vigo from the East) with the First Belt.

Road

VG-20 loops around the south of Vigo, connecting the Bouzas–Castrelos segment (the First Belt) to the AP‑9 motorway at Rebullón, forming a southern ring road around the city.

It is an autovía, meaning it is toll‑free and designed for high‑capacity urban traffic. Maximum speed is 120 km/h, with multiple junctions. Autopistas, by contrast, are tolled roads built to higher access standards.

History

Construction began around 2001 as part of an extension of the AP‑9 toward Tui. The VG‑20 was fully operational by November 2005, after ~€122 million in investment by Spain’s Ministry of Transport.

As of 2025, the Porto viaduct, a major span (~347 m) on the VG‑20, experienced structural damage. The Spanish government allocated €6.5 million for reinforcement, barrier replacement, and deck resurfacing on a section between km 9.65 and 10.0.^[1]

Additional resurfacing contracts worth approximately €2.1 million brought total investment in VG‑20 and adjacent A‑55 arterial roads to nearly €4.6M. ^[2]