A21.11 and A21.12 ÔÇô A21 Motorway

Lower Austria, Austria
Government of Lower Austria
Competence Center: 
CC Verkehrsplanung Stra├če

In the course of repair works on the structures A21.11 and A21.12 of ViennaÔÇÖs ÔÇťAu├čenringÔÇť motorway, A21, the decks of bridges had to be constructed with a new elevation.
From these new levels the transitions to existing lanes had to be developed. The existing fast and slow lanes remained in their positions in plan view only the emergency lane had to be adapted in plan view. Apart from designs for the definite expansion, construction phases had to be worked out during the execution of construction work.

Projekt Infoblatt: