Translation of underpass in German

I know it is a little confusing. The problem is if the original word is a conjugated verb: I skipped them until now. I did not write it in my explanations. It actually must be skipped. Thanks for noticing.
I hope that I will have time to go skiing. Maybe it is even better to go at the end of the season. The doctor, however, did not give his diagnosis yet. If I cannot go I will have to find an alternative.
I live right next to Montpellier, in a small town near the coast, in France. I have no children and I'm learning Spanish because I like foreign languages. I learn vocabulary and grammar. Vocabulix helps me a lot.