This ist the German profile for roadworks as published on the national market place MDM (version 04-00-00).
It covers a lot of options to describe various kinds of roadworks and road closures.
Please note that the documentation of the profile is basicly in German language. However, there is an English addon that describes the Level B extensions used in this profile.
The Mobility Data Market Place (MDM) is Germany's "Single Point of Access".
Providers and users of traffic data from public authorities and the private sector find here a neutral platform and defined data and quality standards for publishing and transferring data. The MDM forms a central component of ITS in Europe as an established standard platform with constantly expanding traffic data coverage.
The MDM is part of the Federal Government's innovation programme and is funded by the Federal Ministry of Transport and Digital Infrastructure. The Federal Highway Research Institute (BASt) is responsible for managing the project