description Baltimore Harbor Tunnel Overview
The Baltimore Harbor Tunnel is a 2.3-kilometer (1.4-mile) vehicular tunnel running beneath the Patapsco River in Maryland. Opened in 1957, it carries Interstate 895 and was the first fixed crossing of Baltimore's harbor, providing a crucial transportation link between the city's southern and northern sections. The tunnel was constructed using the immersed tube method, where prefabricated tunnel sections were floated into position and sunk into a prepared trench, and it remains a vital component of the Baltimore regional transportation infrastructure.
help Baltimore Harbor Tunnel FAQ
What road uses the Baltimore Harbor Tunnel?
The Baltimore Harbor Tunnel carries Interstate 895 beneath the Patapsco River in Maryland. It connects major north-south routes through Baltimore's industrial harbor area.
When did the Baltimore Harbor Tunnel open?
The tunnel opened to traffic in November 1957, with the formal opening commonly dated November 29. It was the first fixed crossing of Baltimore Harbor.
How long is the Baltimore Harbor Tunnel?
The tunnel itself is about 1.4 miles long, or approximately 2.3 kilometers. It has four lanes arranged as two lanes in each direction.
How do drivers pay the Baltimore Harbor Tunnel toll?
The Maryland Transportation Authority operates the tunnel as a toll facility and supports E-ZPass electronic tolling. Hazardous materials, oversized vehicles, and some propane loads are prohibited from using it.
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