Construction weekends on the B45: Traffic towards Dieburg affected!
Renovation work on the B45 towards Dieburg: Restrictions from September 19, 2025 on three weekends.

Construction weekends on the B45: Traffic towards Dieburg affected!
The federal highway 45 in the direction of Dieburg is making headlines: extensive renovation work is currently being carried out here. The work is in the final stages and is expected to be completed by November 3rd. How Rhein Main Verlag Reportedly, the construction sites will take place over three consecutive weekends, meaning road users will have to be prepared for some restrictions, although most of these will take place outside of peak times.
The renovation work affects a section between the B 43a and Rodgau-Weiskirchen. Individual lanes in the direction of Dieburg will remain closed, but traffic in the direction of Hanau will not be affected. The diversion of the left lane to the oncoming lane enables the urgently needed renovation of the previously omitted section. This was necessary due to the median crossing, which did not yet allow the renovation to be completed.
Construction process and traffic restrictions
The planned construction process includes the following measures:
- 19.9. (22 Uhr) bis 22.9. (5 Uhr): Erneuerung des linken Fahrbahnrandes.
- 26.9. (22 Uhr) bis 29.9. (5 Uhr): Erneuerung des rechten Fahrbahnrandes.
- 31.10. (22 Uhr) bis 3.11. (5 Uhr): Erneuerung der mittleren Fahrspur.
The lanes to be replaced will be closed without there being any further diversions or closures.
Hessen Mobil analyzed the traffic situation in advance of the construction sites and kept the restrictions as low as possible. Two lanes of traffic will remain in both directions throughout the construction period. Like, among other things OF News Furthermore, temporary closures at individual exits and entrances are possible, but not for long.
Communication and information
Drivers are advised to keep up to date with current developments and closures. Hessen Mobil offers a free WhatsApp service for this purpose, which provides the latest information on the construction site situation. Entries can also be made via the website mobil.hessen.de/whatsapp so that you don't miss anything.
Responsibility for construction site management lies not only with Hessen Mobil, but also with various building authorities. These can provide implementation-related information as well as be involved in the planning and maintenance of traffic routes. This is, among other things, for this IHK Munich responsible, which brings together the relevant authorities and their functions in the area of construction site management.
Overall, the renovation of the B 45 is an important project for the region's transport connections. Those responsible have shown a good knack for keeping the impact on rush-hour traffic as low as possible. We look forward to seeing a significantly improved road surface and therefore greater safety for all road users once the work is completed.