The Federal Highway 3 to the exit 41 Diez  and highways 54 and 417 are the main arteries serving Diez.

Diez is on the line between Koblenz-Gießen (the Lahn Valley Railway) on the Deutsche Bahn network and is served by both Vectus Verkehrsgesellschaft mbH and Deutsche Bahn.
The Upper Westerwald Railway and the Lower Westerwald Railway run through Diez-Ost station on the city limits to provide a connection between Limburg rail and the Westerwald.
The closed Aar Valley Railway ran towards Wiesbaden and is expected to be reactivated to Zollhaus (south of Hahnstätten) in 2015.

Numerous bus routes in the Rhein-Mosel (VRM) Diez provide public transport links with the surrounding area.

The town is a stop on the German-Dutch holiday road the Orange Route, the Lahn Holiday Route and the Rhine Legends Route.
The Federal Highway 3 to the exit 41 Diez  and highways 54 and 417 are the main arteries serving Diez.
Diez is on the line between Koblenz-Gießen (the Lahn Valley Railway) on the Deutsche Bahn network and is served by both Vectus Verkehrsgesellschaft mbH and Deutsche Bahn. The Upper Westerwald Railway and the Lower Westerwald Railway run through Diez-Ost station on the city limits to provide a connection between Limburg rail and the Westerwald. The closed Aar Valley Railway ran towards Wiesbaden and is expected to be reactivated to Zollhaus (south of Hahnstätten) in 2015.
Numerous bus routes in the Rhein-Mosel (VRM) Diez provide public transport links with the surrounding area.
The town is a stop on the German-Dutch holiday road the Orange Route, the Lahn Holiday Route and the Rhine Legends Route.
Diez, Germany