The construction measure B 474n - bypass Datteln 2. BA runs from the L609 at construction km 7 + 554 and ends at construction km 9 + 444, length 1 890 m. The B 474n is planned as a two-lane highway with a crown width of 11.0 m.

Connections with 2 traffic lights.

There will be 2 rainwater retention basins, 1 clarification basin and natural water with cascade drainage.

The work advertised in part A contains the following main services:

- approx. 6 500 m 3rd Removal of topsoil;

- approx. 17 500 m 3rd Earth erosion;

- approx. 20,000 m 3rd Earth job;

- approx. 8 800 m 2nd Milling asphalt;

- Lay approx. 300 m of DN 300 pipes;

- Lay approx. 400 m of piping DN 400;

- Lay approx. 460 m of DN 600 pipes;

- approx. 10,000 m 3rd Frost protection layer 0/45;

- approx. 25,000 m 2nd Asphalt base course made of AC 22TN;

- approx. 25,000 m 2nd Asphalt binder course made of AC 22 TN;

- approx. 25,000 m 2nd Asphalt surface layer made of AC 8DN.