The German Road Traffic Regulations (StVO) apply. General valid and usual behavioral rules.
It should be noted that in road cycling there is an increased risk of accidents and injuries. Despite careful route planning, there is always a basic risk. Preparing for the route through endurance training, appropriate training and education, as well as personal prudence, reduces the risk of accidents and dangers.
Your personal equipment must be safe, functional, and meet the respective technical standards. Every road cyclist is advised to get information about the planned routes from specialist literature or locally. Full road cycling equipment is strongly recommended even for experienced riders!
Tip: For the partly poorly lit tunnels, lighting is advisable.