Construction of the A46

When the A46 was built in, the suspension railway scaffolding had to be raised in Sonnborn to two meters. Here a bridge above the highway was built. The A46 leads from Wuppertal the north to Dusseldorf and connects these both towns. In Wuppertal the north the A1 crosses the A46 which leads from Cologne to Hamburg. Thus Wuppertal is optimally connected with the big towns of Cologne, Dortmund, Dusseldorf and Hamburg. The Sonnborner cross was the biggest interchange in Europe at this time. At that time the whole pride was the huge lighting system, also at night the cross was illuminated brightly like with daylight. This should avoid accidents. Nowadays, however, the energy savings effect stands in the foreground. The biggest part of the lamps is switched off, particularly as the people are close today with big traffic interchanges. If one has luck and goes above the highway, one sees like a suspension railway about that floats.
 

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