This is for all newcomers to the area, and a friendly reminder for all others as well.
Due to the annual bike race on 1 May, there are many road blocks in and around Oberursel between 9:00 – 14:00.
If you plan on taking a day trip somewhere, then leave your home early that day.
There are 17 bike races in the Frankfurt area and vicinity on this day.
More about it here: https://www.eschborn-frankfurt.de/de/home/skodavelotour/strecken