description Liberty Tunnel Overview
The Liberty Tunnels are a pair of twin-bore vehicular tunnels located in Pittsburgh, Pennsylvania, that pass through Mount Washington. Opened in 1924, the tunnels measure over a mile in length and were among the longest automobile tunnels in the United States upon their completion. They carry Route 51 and serve as a critical transportation link between downtown Pittsburgh and the southern suburbs. The construction of the tunnels also necessitated the creation of a separate ventilation system to manage vehicle exhaust.
help Liberty Tunnel FAQ
How good is Liberty Tunnel?
Liberty Tunnel scores 7.25/10 (Good) on Lunoo, making it a well-rated option in the Tunnel category. Historic Pittsburgh twin tunnel with early engineering importance; aging design and traffic issues moderate sentiment.
What are the best alternatives to Liberty Tunnel?
See our alternatives page for Liberty Tunnel for a ranked list with scores. Top alternatives include: Laerdal Tunnel, Gotthard Base Tunnel, Seikan Tunnel.
How does Liberty Tunnel compare to Laerdal Tunnel?
See our detailed comparison of Liberty Tunnel vs Laerdal Tunnel with scores, features, and an AI-powered verdict.
Is Liberty Tunnel worth it in 2026?
With a score of 7.25/10, Liberty Tunnel is a solid option in Tunnel. See all Tunnel ranked.
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