Many players mistakenly assume they can simply play the required cards for a tunnel and complete the route immediately, but the official rules require a risk-based reveal process.
According to the Days of Wonder Official Rulebook, claiming a Tunnel Route involves a specific reveal process that may require playing additional cards.
To claim a Tunnel Route, a player must first lay down the number of cards required by the length of the Route. Following this, the three top cards from the Train draw pile are turned faceup, regardless of the length of the Tunnel Route. For each card revealed whose color matches the color of the cards played to claim the Tunnel Route, the player must play an additional card of the same color from their hand (or a Locomotive). If the player does not have enough additional Train Car cards of the matching color or does not wish to play them, they may take all their cards back in their hand and their turn ends. At the end of the turn, the three Train Car cards revealed for the Tunnel are discarded. Note that Locomotives act as multi-colored wild cards; if a Locomotive is drawn during the reveal, it automatically matches the color of the cards played and forces the player to play an additional matching card.
Step-by-Step
Step 1: Lay down the number of Train Car cards required by the length of the Tunnel Route.
Step 2: Turn the top three cards from the Train draw pile faceup.
Step 3: For every revealed card that matches the color of the cards played, identify the required additional cards.
Step 4: Play an additional card of the matching color (or a Locomotive) for each match found.
Step 5: Successfully claim the Tunnel if all required additional cards are played; otherwise, return all cards to hand and end the turn.
Example Play Situation
Alice attempts to claim a three-space Blue Tunnel. She plays three Blue cards. Bob turns over the top three cards of the draw pile, revealing one Blue card and two Red cards. Alice must then play one additional Blue card or Locomotive from her hand to successfully claim the route.
Common Misconceptions
Thinking the tunnel length determines how many cards are revealed
Assuming you can skip the additional card requirement if you don't want to
Forgetting that Locomotives count as matches during the reveal
Quick Reference
You Can
You Cannot
You can use a Locomotive to satisfy an additional card requirement
You cannot claim the tunnel if you fail to provide the matching cards
You can take all your cards back if you cannot complete the tunnel
You cannot use the revealed cards to claim the route
Frequently Asked Questions
What is the official rule for claiming a Tunnel in Ticket to Ride Europe?
Play the required cards, reveal three draw pile cards, and play additional matching cards for any matches found.
What happens if I don't have enough cards to finish a tunnel?
You must take all your played cards back into your hand and your turn ends immediately.
Do Locomotives count as matches during a tunnel reveal?
Yes, Locomotives are multi-colored wild cards and will match the color of the cards you played.
How many cards are revealed when attempting a tunnel?
Exactly three cards are turned faceup from the Train draw pile.
David Noah is a board game rules specialist and content creator who writes clear, dispute‑free guides for modern tabletop games. On this site, he focuses on answering the exact rules questions players argue about at the table, using official rulebooks, expansions, and tournament rulings as his primary sources. His goal is to turn confusing edge cases into simple, step‑by‑step explanations so you can spend less time debating and more time playing.
