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Interstate 895

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Interstate 895 (I-895) - the Harbor Tunnel Thruway - is a freeway in the U.S. state of Maryland owned and maintained by the Maryland Transportation Authority.

Route description

Baltimore Harbor Tunnel

Starting at Interstate 95 at Exit 46, it bypasses downtown Baltimore to the southeast via the Baltimore Harbor Tunnel under the Patapsco River.

Traffic passing through the tunnel is charged a toll - $2 for automobiles. Due to the design of the interchanges, traffic using any part of the road south of the tunnel must pass through the toll plaza. This was also true north of the toll plaza - except for the short stretch north of Moravia Road - but ramps were built ca. 2000 to provide full access to Bayview Hospital at Lombard Street. The road was designed this way to ensure that it would not be congested by local traffic. On the other hand, the eight-lane Interstate 95 through the Fort McHenry Tunnel, which was opened in 1985 to relieve increasing congestion on I-895,[1] has full local access.

The route terminates on Interstate 95 at unsigned Exit 62. A three-pronged spur - Interstate 895 Spur - splits from I-895 south of the tunnel, and provides access to Maryland Route 2 and Interstate 97.

Interstate Highway System

Only the part of I-895 north of the bridge over (and interchange with) Interstate 695 south of Baltimore is considered part of the Interstate Highway System by the Federal Highway Administration.[2][3] The entire route is, however, signed as an Interstate.

History

Bridge over railroad tracks southwest of the tunnel

Most of the road - from U.S. Route 1 (exit 1) to U.S. Route 40 (exit 13) - opened November 29, 1957, allowing traffic to bypass congestion in downtown Baltimore.[4] With the opening of the tunnel, travel time through Baltimore was decreased from one hour to 12 minutes, as motorists could now avoid nearly 50 traffic lights on US 1 and US 40; the subsequent reduction in downtown traffic decreased congestion by nearly 30 percent. In its first year of use, the Harbor Tunnel Thruway carried 21,000 vehicles.[5]

Short extensions have since been built on both ends to connect it to Interstate 95 - the north end as part of the JFK Memorial Highway, constructed in 1963, and the south end in 1973. (Until I-95 was built through Baltimore, the JFK Memorial Highway and the Harbor Tunnel Thruway simply connected directly to each other.)

The tunnel became increasingly congested and overcrowded as I-95 was completed throughout the rest of Maryland; due to a lack of consensus over I-95's route through Baltimore, the Harbor Tunnel Thruway found itself serving as the de facto I-95. Despite the construction of the Francis Scott Key Bridge in 1977, thus completing I-695, traffic levels continued to rise. Permanent relief did not come until the Fort McHenry Tunnel was opened on November 23, 1985. Once the Fort McHenry Tunnel was opened, traffic levels plummeted, allowing the MdTA to close the tunnel in March 1987 for an ambitious two-year reconstruction project.

In November, 2007, the 50th anniversary of the tunnel serving travelers was observed.[6][7]

Future

Template:Future road Due to the heavy congestion experienced on I-95 within and north of Baltimore, the MdTA intends to rebuild the northern junction between I-95 and I-895. At the moment, I-895 is the 'straight route' through the junction, with traffic wanting to stay on I-95 having to weave to the right and exit from itself. The MdTA intends to reconstruct the junction to make I-95 the 'straight route'; south of the junction, I-95 will be widened to eight lanes, and north of the junction, I-95 will be widened to twelve lanes as far as the northern I-95/I-695 interchange at Exit 64 (where a stack interchange will replace the existing double-crossover junction).

The reconstruction of this interchange is part of the works on Section 100 of the JFK Highway; it began in 2006 and is expected to be completed in 2011.

Exit list

Exits are numbered from south to north, in accordance with AASHTO guidelines.

County Mile # Old Destinations Notes
Howard 0.0
Interstate 95 South - Washington, DC
Southern terminus
Southbound exit and northbound entrance
Baltimore 1.0 1 7
US 1 South (Washington Boulevard) - Elkridge
Southbound exit and northbound entrance
3.4 3 6
Interstate 695 North - Baltimore Beltway; Towson
Southbound exit and northbound entrance
4.4 4 5
MD 295 South (Baltimore/Washington Parkway) - BWI Airport
Southbound exit and northbound entrance
Anne Arundel 5.8 6 4

to Interstate 97 South - Annapolis, Bay Bridge
Unsigned Interstate 895B
Southbound exit and northbound entrance
City of Baltimore 6.7 7 3
MD 2 South (Potee Street) - Brooklyn
Southbound exit and northbound entrance
7.8 8A 2 Shell Road - Curtis Bay Southbound exit and northbound entrance
7.8 8B 1 Hanover Street - Baltimore Southbound exit and northbound entrance
Baltimore Harbor Tunnel toll plaza - cars $2.00
8.3 9 Childs Street Northbound exit and southbound entrance
Baltimore Harbor Tunnel
11.0 10 1 Holabird Avenue - Dundalk Northbound exit only
11.7 11A 2 Boston Street Northbound exit and southbound entrance
11.7 11B 3 O'Donnell Street Northbound exit and southbound entrance
12.4 12 4 Lombard Street
13.3 13 5
US 40 East (Pulaski Highway), MD 151 (Erdman Avenue)
Northbound exit and southbound entrance
13.9 14
Moravia Road, to US 40 (Pulaski Highway)
No northbound exit (use Exit 13)
14.9
Interstate 95 North - New York, NY
Northern terminus
Northbound exit and southbound entrance

Interstate 895 Spur

Interstate 895 Spur, officially Interstate 895A and Interstate 895B, is a short three-legged freeway connection between Interstate 97, Maryland Route 2 and Interstate 895 south of Baltimore, Maryland. It is maintained by the Maryland Transportation Authority as a spur of the Harbor Tunnel Thruway (I-895), and is not considered part of the Interstate Highway System by the Federal Highway Administration.[8][9]

Interstate 895B is the longer of the two routes, running from I-895 at exit 6 south to MD 2. Interstate 895A splits from I-895B, ending at the north end of I-97.

Exit list

See Interstate 97 for exits on Interstate 895A. The single numbered exit matches the number given to its companion ramp from I-695 east to I-895B south.

# Destinations Notes
Maryland Route 2 south - Glen Burnie southbound exit and northbound entrance
3B Interstate 695 west to Interstate 97 - Towson northbound exit and southbound entrance
Interstate 97 south - Annapolis; Bay Bridge (Interstate 895A) southbound exit and northbound entrance
Interstate 895 north - Harbor Tunnel northbound exit and southbound entrance

See also

References

  1. ^ Roads to the Future - Baltimore Harbor Crossings
  2. ^ Template:PDFlink, December 31, 2004
  3. ^ Template:PDFlink
  4. ^ Maryland Transportation Authority, Template:PDFlink
  5. ^ Harbor Tunnel Thruway (I-895)
  6. ^ "Baltimore Harbor Tunnel is 50". TOLLROADSnews. 2007-11-29. Retrieved 2007-12-26. {{cite web}}: Check date values in: |date= (help); Cite has empty unknown parameter: |coauthors= (help)
  7. ^ "Harbor Tunnel marks 50th anniversary". Baltimore Sun. 2007-11-21. Retrieved 2007-11-21. {{cite web}}: Check date values in: |date= (help); Cite has empty unknown parameter: |coauthors= (help)
  8. ^ Template:PDFlink, December 31, 2004
  9. ^ Template:PDFlink

Template:Roads in Baltimore area