A9 motorway (Netherlands)

The A9 motorway is a motorway in the Netherlands. The motorway starts off by going from the A1 at Diemen (junction Diemen) to the A2 at junction 'Holendrecht' (on the 'Gaasperdammerweg').

A9 motorway shield}}
A9 motorway
Rijksweg 9
Location of the A9 motorway
Location
CountryKingdom of the Netherlands
Constituent countryNetherlands
Highway system

Overview

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Here one drives approximately two kilometers south by means of the combined A9/A2 before the A9 heads off to the west again towards Amstelveen, junction 'Badhoevedorp' (A4), junction 'Raasdorp' (A5), junction 'Rottepolderplein' (A200) and on to junction 'Velsen' (A22). Hereafter, the A9 goes further northward by means of the Wijkertunnel under the North Sea Canal, junction 'Beverwijk' (A22) to Alkmaar. At this point, the A9 motorway becomes the N9 highway and proceeds until De Kooy (at Den Helder).

In 1996, the Wijkertunnel was opened and integrated into the A9. The original route of the A9 ran through the Velsertunnel where there is also a connection with the A208. This part still exists but this portion of motorway has been re-numbered to A22.

The part between A1 and A2 is four lanes; between A2 and Rottepolderplein it is six lanes. Hereafter the way is mainly four lanes, with short pieces in the area of the Wijkertunnel that are six lanes.

With regard to the Gaasperdammerweg, it is noted in the original plans that this road would not become a motorway. The plan was to build a local link-road for the occupants of the Bijlmermeer. The section between A2/A9 and A1/A6 was never built, although this would have formed a natural connection between A9 and A6. Because of this, the Gaasperdammerweg has developed into an overflowing connection between A2 and A1.

Discussions on extending the A9 in a straight line to the A6 are still going on. Because this part of the route would pass by the Naardermeer, environmentalists oppose this plan.

Exit list

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The entire route is in North Holland Province.

MunicipalitykmmiExitNameDestinationsNotes
Diemen53.1Interchange Diemen    E231 / A 1 / S 114
Amsterdam63.71Weesp   N 236 southeast / S 113 northwest
95.62Amsterdam-Bijlmermeer  S 112
106.23Amsterdam-Zuidoost  S 111
11–
23
6.8–
14
Interchange Holendrecht   E35 / A 2Gap in km due to intersection with A2
Amstelveen27174Ouderkerk a/d/ Amstel  N 522 northeast
29185Amstelveen  S 108 north
Aalsmeer32206Aalsmeer   N 231 south / N 232
Haarlemmermeer3421Interchange Badhoevedorp   E19 / A 4
37237Badhoevedorp  S 106 north
4025Interchange Raasdorp  A 5
Haarlem4226Interchange Rottepolderplein / Halfweg / Haarlem-Zuid   A 200 / N 205
Velsen4729Interchange Velsen  A 22 northNorthbound exit and southbound entrance only
Beverwijk54348Bazaar / Zaanstad  N 246 south
5534Interchange Beverwijk  A 22 southwestSouthbound exit and northbound entrance only
Heemskerk58369HeemskerkCommunicatieweg
Castricum593710Castricum   N 8 southeast / N 203 northwest
623911AkerslootGeesterweg
Alkmaar704312Ring Alkmaar   N 9 northwest / N 242 northeast
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Route description of the N9 highway

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From the last exit of the A9 motorway, the road becomes a highway (called N9) and continues along:

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