Skip to main content
Home

STAY INFORMED

Sign up for updates and alerts from the Maryland Transportation Authority.

 

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 Trasponder

The E-ZPass® electronic-toll-collection system is available at the Baltimore Harbor Tunnel.

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)

WAS THIS PAGE HELPFUL?

Public Calendar

Nov 03

Ravens Purple Evening

4 PM

M&T Bank Stadium
1101 Russell Street, Baltimore, MD 21230

DriveEzMD Outreach will be at Ravens Purple Evening, a special night just for the ladies at the stadium! Stop by our table to chat with our outreach volunteers and get your E-ZPass questions answered while celebrating your Ravens pride.

Nov 04

Glow Run at Norwood Elementary School

5 PM

Norwood Elementary School
1700 Delvale Ave, Dundalk, MD 21222

DriveEzMD Outreach will be at The Glow Run, a fun-filled, family-friendly event focused on health, fitness, and community! Stop by our booth before or after the 1-mile Glow Run to get information about E-ZPass, ask questions, and learn how we’re helping Marylanders stay on the move.

5:00pm – 7:00pm

Nov 06

Capital Committee Meeting - November 6, 2025

9 AM

Livestream

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