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A1
Dutch: Autosnelweg 1 French: Autoroute 1
Route information
Part of E19
Maintained by the Roads and Traffic Agency of the Flemish government
Length	70 km (43 mi)
Major junctions
North end	A 16 at Dutch border
Major intersections	1a Transportzone Meer 1 Meer N146 2 Loenhout N144 3 N115b 4 Sint-Job-in-'t-Goor N117 5 Kleine Bareel N1 / N11 Antwerpen-Noord junction A12 Multiplex with A12 and R1 Antwerpen-Zuid junction E34 / R1 / A12 / N1 / N155 / R10 6 Wilrijk R11 6a U.Z.A. N106 7 Kontich N171 8 Rumst N1 / N1c 9 Mechelen-Noord R6 / N1 / N16 10 Mechelen-Zuid B101 N1 / N109 11 Zemst N227 / N267 12 Vilvoorde-Luchthavenlaan N21 / N211
South end	Machelen junction R0
Location
Country	Belgium
Highway system
Highways of Belgium Motorways National Roads

The A1 is a major Belgian motorway linking the capital Brussels to Antwerp and then to the Dutch border at Hazeldonk/Meer turning to the A16 in the Netherlands. The motorway is a part of the E19.

The central reservation

Remarkable between Antwerp and Brussels is the exceptional broad central reservation (40 m wide over a length of about 35 km). The original plans for the A1 dating from the beginning of the 1970s were based on unrealistic growth scenarios. The central reservation was meant for eventual lanes for traffic from Brussels to Antwerp (and vice versa), with only ramps in Mechelen (which explains the complex interchange in Mechelen-North and South). Only between Antwerp and Kontich, the middle lanes were built with 2 x 2 lanes, but these were merged in 2011.

The rest of the track was not built in spite of the increased traffic. Because the Brussels Ring and Antwerp Ring can already no longer manage the traffic at certain times, the "super motorway" would do nothing but move the traffic jams from the A1 to the interchanges near Antwerp and Brussels. This broad central reservation, including the unnecessarily long bridges over the A1, along with the partly unused interchange in Mechelen and the lamps that light the unused central reservation, is an urban planning blunder. The unused lamps were taken out in 2006.

Shortly after the Dutroux affair, in 1997, trees have been planted on a part of the central reservation in commemoration of killed children, the so-called "Witte Kinderbos" ("White Children's Forest").

On the central reservation between Zemst and Brussels, a railway has been built between 2007 and 2012 that is part of the new high-speed connection from Antwerp to Brussels Airport, known as the Diabolo project. Thereby, a part of the Witte Kinderbos disappeared and was replaced by green spaces between the A1 and the adjacent residential areas. The biggest part of the forest is between Mechelen and Antwerp and remained.

Pictures

• A1 near the interchange of Machelen
• Craeybeckx Tunnel in the direction of Antwerp
• Viaduct over the Dijle near Mechelen

External links

• (Dutch) History of the A1-E19 on Wegen-Routes.be
• (Dutch) Information about the broad central reservation on the website of the Flemish government

• Motorways in Belgium