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A large amount of sheet piling had to be installed into the ground alongside the bend that connects the A10 Zuid with the A4 Schiphol/Rotterdam. This is being done in order to enable the embankment next to the road to be dug up later. This is necessary to create space for the new flyover between the A10 Zuid and the A4. Starting in 2028, this will connect local traffic from Amsterdam Zuid (S108 and S109) with the A4 in the direction of Schiphol/Rotterdam. There is very little space to build the supports for this flyover, which is why the embankment needs to be dug up.

Inserting sheet piles

The weekend work proceeded as expected, including the damage caused to the road. Previously, we reported that there was a significant chance of this damage happening. Vibrating the sheet piling into the ground causes movement in the embankment where the A10 is located. Surveys conducted in advance had made it clear that the specific composition of the soil at this site meant that there was a real chance of damage. It turned out that the road subsided by around 30 cm at the side.

Insufficient time

We were already expecting that we would have insufficient time during the weekend from Friday, 31 January to 3 February to completely repair all of the damage. The road consists of several layers of asphalt, totalling around 50 cm in thickness. In order to apply the next layer, the layer underneath it needs to have begun to harden. Cold weather makes the situation worse. As things stand, work was done on Sunday to ensure that the connecting road can at least be driven on. But the top layer (porous concrete) still needs to be applied.

Restrictions until 10 February

A speed restriction of 70 km/h will now be in force on the connecting road until Monday, 10 February. Between 21.00 on Friday, 7 February and 05.00 on Monday, 10 February, the road will in any case be closed again, partly in order to relocate a portal gantry (support structure where the road signs are). We will then re-apply the top layer of asphalt, making it possible for traffic to resume its normal speed on the morning of Monday, 10 February.

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