Tunnel — Tunnel
Zeichen 327, StVO Anlage 3. The sign's own Erläuterung is the rule: you must use dipped headlights while driving through the tunnel, and you may not turn round inside it. Verified 2026-08-03.
In plain English
Lights on, sunglasses off, radio to the traffic channel — regardless of how bright it looks inside. If traffic stops, switch off the engine, and note the marked distances to the emergency exits.
What you are looking at
Blue square with a white tunnel-portal arch over a white road.
Easy to confuse with — the exam exploits these
Hinweiszeichen (Information) — where you are. usually a blue or green panel. Checked against StVO Anlage 1–3 on 2026-08-03.
Original practice questions — not the amtlicher Fragenkatalog. Every question, sign description and scenario here is written by us and covers the same StVO rules as the official Klasse B test. We are not TÜV, DEKRA or a Fahrschule, and we do not reproduce the official catalogue. Road signs themselves are amtliche Werke (StVO Anlage 1–3). Rules checked against StVO and FeV on 2026-08-03.
Fines and Punkte are indicative. The amounts shown come from published Bußgeldkatalog tables, not from statute, and are last verified 2026-08-03. The binding figure is the one on your own Bußgeldbescheid.
Last updated: 2026-08-03