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  1. CBBT – Chesapeake Bay Bridge-Tunnel

    Travel over 17.6 miles of engineering innovation without a single stop sign, traffic light or intersection in sight. @2022 CBBT. All rights reserved.

  2. Chesapeake Bay Bridge–Tunnel - Wikipedia

    The Chesapeake Bay Bridge–Tunnel (CBBT, officially the Lucius J. Kellam Jr. Bridge–Tunnel) is a 17.6-mile (28.3 km) bridge–tunnel that crosses the mouth of the Chesapeake Bay between …

  3. Tunnels and underground excavations | History, Methods, Uses, …

    tunnels and underground excavations, horizontal underground passageway produced by excavation or occasionally by nature’s action in dissolving a soluble rock, such as limestone. A …

  4. TUNNEL Definition & Meaning - Merriam-Webster

    The meaning of TUNNEL is a covered passageway; specifically : a horizontal passageway through or under an obstruction. How to use tunnel in a sentence.

  5. How Tunnels Work - HowStuffWorks

    In this article, we'll explore what makes tunnels such an attractive solution for railways, roadways, public utilities and telecommunications. We'll look at the defining characteristics of tunnels and …

  6. TUNNEL | English meaning - Cambridge Dictionary

    TUNNEL definition: 1. a long passage under or through the ground, especially one made by people: 2. the long passage…. Learn more.

  7. Tunnel - definition of tunnel by The Free Dictionary

    Define tunnel. tunnel synonyms, tunnel pronunciation, tunnel translation, English dictionary definition of tunnel. n. 1. An underground or underwater passage. 2. A passage through or …

  8. 2025 U.S. Tunnel Outlook - tunnelingonline.com

    Feb 13, 2025 · Tunnel construction is expected to begin in 2026. The VTA BART Silicon Valley Phase II Extension involves 5 miles of single-bore tunnel under downtown San Jose that will …

  9. BUILDING BIG: Databank: Chesapeake Bay Bridge-Tunnel - PBS

    The majority of the bridge-tunnel complex is above the water, supported by more than 5,000 piers. But due to the importance of shipping in the bay, the crossing was sunk deep beneath the bay …

  10. Tunnel Project – CBBT

    The Chesapeake Bay Bridge-Tunnel is a 17.6 mile bridge and tunnel complex that spans the lower Chesapeake Bay and connects Virginia’s Eastern Shore with the mainland in Virginia …