Rahul Sharma

A9 motorway (Portugal)

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North-east end:  Alverca
Length  35 km
A9 motorway (Portugal)
South-west end:  Jamor (National Stadium)

The A9 (CREL / Lisbon Regional Outer Circular) is a Portuguese motorway which, as the name indicates, forms a partial outer circular route beyond the north and western parts of the Lisbon conurbation. It thereby links the Estoril coastal area with principal highways towards the north of the country.

Contents

Map of A9, Portugal

Route description

The road begins near to the National Stadium of Jamor and sets off in an approximately east-north-easterly direction, intersecting along the way with major regional roads ( IC19, A16, IC22 ) as well as two national motorways, the A8 and the A10. It passes Queluz in the edge of Sintra, then through the Amadora, Odivelas and Loures municipalities before ending after 35 kilometres (22 mi) at an intersection with the country's principal northbound highway, the A1.

Despite running for its entire length within 20 kilometres (12 mi) of central Lisbon, much of the route of the A9 is semi-urban or rural, incorporating mountainous regions that necessitated the inclusion of 15 viaducts and two substantial tunnels in its construction. It therefore is a very hilly road, with several tight turns along its way.

History

The most westerly four kilometres (2.5 mi) of the A9 were opened in 1994, with the remaining 31 kilometres (19 mi) opening a year later. There was an idea to extend the westerly portion of the ring highway southwards across an additional bridge, but extending the A9 in this way appears not to have evolved beyond the status of an ambitious line on the map, and a second major highway bridge crossing the Tagus to the east of Lisbon has been constructed in the interim. The A9 is operated by Portugal's principal highway operator Brisa, and when opened it was toll-free. The decision to introduce tolls, implemented in 2003, was controversial locally. As of 2012 the charge for a passenger car to travel the full 35 kilometres (22 mi) from one end of the road to the other is €2.95.

January 2010

In the middle of the afternoon on 24 January 2010, near Belas, next to the junction with the newly opened the A16 a violent landslip deposited a large quantity of rocks and mud on the road. There is no record of any resulting road accident, but for more than a month the road was unusable and traffic had to be diverted, leading to serious congestion. Repairs were completed and the road fully repaired in time for it to be reopened on 25 February 2010.

References

A9 motorway (Portugal) Wikipedia


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