Context
We are given this image:
We have to find the location of the panel.
Resolution
It seems that we are at a freeway exit. On the right panel we can see that we are going to the A6 freeway and on the left panel to the A5 freeway. I searched a lot to find the location using these two informations and the directions on the panels.
Then I realised I could use the E17 E21 information because it’s european routes.
This what I get by searching it:
Looking at the url, we can retrieve the coordinates needed to create the flag.
lag: 404CTF{47.01,4.86} (it’s not rounded but truncated btw)
I hope you like this writeup. Have a great day 😉