|Autosnelweg A12 in the Netherlands|
|Overall length:||137 km|
|Development condition:||2 × 2 lanes + emergency lanes|
|The A12 shortly before its end in The Hague|
Between the junction (Dutch: Knooppunt ) Prins Clausplein and the junction Lunetten the A12 runs identically to the E30 , between the junction Oudenrijn and the German border it runs identically to the E35 . Between the Gouwe and Oudenrijn junctions, it is also identical to the E25 .
The A12 is one of the most popular east-west connections in the Netherlands.
The section between The Hague and the Oudenrijn junction was built between 1933 and 1940 as the first section of the A12. This makes this section one of the first motorways in the Netherlands. It was the first highway in the world to have hard shoulders.
During the war, the motorway section between the Oudenrijn and Bunnik junction was opened. The last section between Bunnik and the Zevenaar border crossing was completed between 1947 and 1963 , but could not be opened to traffic at the time. In 1965 , the A12 was connected to the German motorway network with the completion of the federal motorway 3 between Wesel and Emmerich .
The Hague - Arnhem
Coming from The Hague, Zoetermeer, Utrecht and Arnhem are indicated on the signs. After Utrecht comes the German Oberhausen . From Arnhem, Doetinchem is indicated as the destination on the A18.
Arnhem - The Hague
Coming from Germany, only Arnhem and The Hague are mentioned at first. After Arnhem, reference is made to Utrecht and Amsterdam. From Veenendaal there are signs to Rotterdam and from Gouda to Zoetermeer. From Zoetermeer onwards only The Hague is indicated on the signs.
The A12 begins in the Malieveld district of The Hague, where it branches off from the two roads “Zuid-Hollandlaan” and “Benoordenhoutseweg”. The first part, called “Utrechtsebaan”, is signposted as a motor road. That is why a maximum speed of 70 km / h applies there. Since the A12 is not a motorway in this area, it has to be managed by the city of The Hague. The official name of the A12 in the area is N12.
Because the A12 forms an important connection between Utrecht and Rotterdam , the motorway was expanded in the corresponding area at the beginning of 2010. Since then, the flow of traffic has gotten a lot better. Some exits have also been rebuilt, such as the Bleiswijk exit .
The construction work is currently still going on: The A12 between Gouda and Woerden, in the direction of The Hague, is being extended by another lane. In addition, a top lane is set up in the opposite direction. This means that the motorway can be expanded to four lanes at peak traffic times . To this end, the A12 between Woerden and the Oudenrijn junction will be adapted, which means that an additional fourth lane will also be created there.