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Baltimore Harbor Tunnel Plaza from the Air.

Baltimore Harbor Tunnel (I-895)

Baltimore Harbor Tunnel

The 1.4-mile, four-lane tunnel opened in November 1957. Designated I-895, the facility crosses under the Patapsco River and connects major north/south highways and many arterial routes in Baltimore City's industrial sections. Including the tunnel and approach roadways, the facility is approximately 18.5 miles in length.

E-ZPass Transponder

The Baltimore Harbor Tunnel operates using an E-ZPass electronic tolling system.

Propane, Hazardous Materials & Oversized Vehicle Info:

Vehicles carrying bottled propane gas in excess of 10 pounds per container (maximum of 10 containers), bulk gasoline, explosives, significant amounts of radioactive materials, and other hazardous materials are prohibited from using both the Fort McHenry and Baltimore Harbor Tunnels. In addition, vehicles in excess of 13 feet, 6 inches, in height, or 96 inches (8 feet) in width; and all double trailers are prohibited from using the Baltimore Harbor Tunnel. For additional information regarding these restrictions, please call 410-537-1374.

Contact Information:

  • Mailing Address:

    • Maryland Transportation Authority

      Baltimore Harbor Tunnel

      1200 Frankfurst Avenue

      Baltimore MD 21226

  • General Information:

Baltimore Harbor Tunnel Quick Facts:

  • Length of tunnel and ramp structures: 1.4 miles
  • Length of entire facility, including tunnel and approaches: 18.5 miles
  • Number of twin-tube tunnel sections: 21 (ea. approximately 300 ft.long)
  • Baltimore Harbor Tunnel Groundbreaking: April 21, 1955
  • First tunnel section was sunk: April 11, 1956
  • Number of tiles lining the Baltimore Harbor Tunnel: 6,500,000
  • When dedicated, the tunnel was the 5th longest underwater vehicular tunnel in the world
  • First person to pay the Harbor Tunnel toll: Omero C. Catan of Teaneck, NJ
  • Designer/engineer of the tunnel: Ole Singstad of Singstad and Baillie in New York
  • State of Maryland Project Manager of the Baltimore Harbor Tunnel: J.E. Greiner Company, now known as URS Corporation
  • Traffic Volume: 27.6 million vehicles (both directions)

Other Information:

Baltimore Harbor Tunnel History:

The Baltimore Harbor Tunnel is eligible for inclusion in the National Register of Historic Places.  For more information about its history, follow link to learn more.

Baltimore Harbor Tunnel (I-895)

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Public Calendar

Feb 10

Bay Crossing Study Public Hearing (Anne Arundel County)

5 PM

Broadneck High School
1265 Green Holly Dr.
Annapolis, MD, 21409

Catch the DriveEzMD Outreach Team at the upcoming Bay Crossing Study Tier 2 NEPA Public Hearing in Annapolis! As the community reviews the Draft Environmental Impact Statement and MDTA’s Recommended Preferred Alternative (Alternative C), we’ll be there to share tolling tools, and provide resources to make your travel across Maryland smoother.

5:00pm-8:00pm

Feb 12

Finance and Administration Committee Meeting

9 AM

Livestream

This public meeting is livestreamed and archived on the Finance and Administration Committee Meeting Homepage. The Finance and Administration Committee Meeting homepage also provides access to the virtual meeting, schedule, agenda, materials and minutes.

Feb 12

Bay Crossing Study Public Hearing (Queen Anne’s County)

5 PM

Kent Island High School
900 Love Point Road
Stevensville, MD, 21666

The DriveEzMD Outreach Team will be onsite at the Bay Crossing Study: Tier 2 NEPA Public Hearing in Annapolis. While you're attending the hearing and reviewing the Draft Environmental Impact Statement and MDTA’s Recommended Preferred Alternative (Alternative C), we’ll be available to answer questions and provide helpful information about traveling Maryland roadways.

5:00pm-8:00pm