A6 motorway (Portugal)

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A6 marker

Portuguese: Auto-Estrada do Alentejo Central
(previously planned as the Auto-estrada do Alentejo)
Route information
Part of
Length: 159 km (99 mi)
Major junctions
West end: Marateca, (for Lisbon)
East end: the Spanish frontier crossing
Highway system
Roads in Portugal

The  A 6  is a Portuguese motorway which runs east from Marateca (a short distance from Lisbon to the frontier with Spain, near Elvas.

Since 1999 the highway has formed part of the principal road linking Lisbon with Madrid.

At its western end the road connects with the A2 approximately 50 km (30 miles) south-east of Lisbon, but while the A2 swings to the south the A6 continues east passing through the Alto Alentejo via Montemor-o-Novo, Évora and the Estremoz marble quarries. It then continues past Borba and Elvas, the Portuguese part of the road terminating at the crossing of the Caia River which here forms the frontier with Spain.

Apart from the most easterly section approaching the frontier, the road is the responsibility of Brisa, the Portuguese highway operator. The toll for a Class 1 vehicle (normal motor car) travelling the full distance from Marateca to Elvas is €11.95 (2010).

The road carries very little traffic.[1]

A6 AADT 2011 AADT 2012  % Change 2011  % Change 2012
A2/A6/A13-Vendas Novas 7,988 6,653 -16.5% -16.7%
Évora Poente-Évora Nascente 2,768 2,312 -16.3% -16.5%
Overall AADT 4,700 3,910 -16.6% -16.8%