Erection, conversion, and dismantling of a mobile traffic jam warning system for the renovation of the A31 between AS Twist and AS Wietmarschen.

Main achievements:

- erection, conversion and dismantling of a mobile traffic jam warning system,

- 23 display sections with 35 display units,

- 12 display cross sections with 24 display units on BAB routes,

- 11 display cross sections with 11 display units in the subg. Network,

- 10 measuring sections with 10 measuring units on BAB routes,

- 1 central unit,

- 3 observation units,

- Conversion of measuring and display cross sections,

- Intrinsic safety in non-closed construction sites.