As part of our maintenance management, we have now tried to define individual standard rehabilitation measures in order to bring the respective sections back into a class I condition.

These are as follows:

Type II - I Top layer measures from condition II to I (costs ~ € 30,000.00 / km - € 80,000.00 / km) Type III - I

Surface and base course renewal from condition III to I (costs ~ € 140,000.00 / km - € 260,000.00 / km)

Type IV – I

General renewal upgraded from Tier IV to I
(Cost ~ €310,000.00/km – €365,000.00/km)

Type V – I

New construction creates the condition from V to I in the long term
(Cost ~ €520,000.00/km – €720,000.00/km)