List of Interstate Highways in Maryland

Interstate Highways of the Maryland highway system
Interstate Highways of the Maryland highway system
	Standard route signs in Maryland
	Interstate Highways highlighted in red
Highway names
Interstates	Interstate X (I-X)
System links
	Maryland highway system; Interstate; US; State; Scenic Byways;

The following is a list of Interstate Highways in Maryland. There are currently 16

I-595; that highway is marked as U.S. Route 50 and US 301, which are concurrent

with I-595 for its entire length. Maryland has three former interstates which are shaded in dark gray in the list.


Number	Length (mi)^[1]	Length (km)	Southern or western terminus	Northern or eastern terminus	Formed	Removed	Notes
I-68	81.09	130.50	I-68 at the West Virginia state line near Friendsville	US 522 in Hancock	01991-01-011991^[2]	current	Formerly designated as US 48.
I-70	91.85	147.82	US 522 at the Pennsylvania state line in Hancock	MD 570 in Woodlawn	01962-01-011962^[3]	current	Baltimore section was designated I-70N in 1965;^[4] that section became part of I-70 in 1974^[5]
I-70N	93.62	150.67	I-70 in Frederick	Baltimore	01965-01-011965^[3]	01974-01-011974	Baltimore section was designated I-70N in 1965;^[4] that section became part of I-70 in 1974^[5]
I-70S	32.60	52.46	I-495 / MD 355 in Bethesda	I-70 / US 40 in Frederick	01959-01-011959^[6]	01974-01-011974	Designated I-70S in 1959; became I-270 in 1974^[5]
I-81	12.08	19.44	I-81 at the West Virginia state line in Williamsport	I-81 at the Pennsylvania state line near Hagerstown	01959-01-011959^[6]	current
I-83	34.50	55.52	Fayette Street and President Street in Baltimore	I-83 at the Pennsylvania state line at Maryland Line	01959-01-011959^[6]	current
I-95	109.01	175.43	I-495 at the Virginia state line near Oxon Hill	I-95 at the Delaware state line near Elkton	01963-01-011963^[7]	current
I-97	17.62	28.36	US 50 / US 301 in Parole	I-895 in Ferndale	01987-01-011987^[8]	current
I-170	1.40	2.25	Baltimore	Baltimore	01981-01-011981^[9]	01985-01-011985^[10]	Replaced by US 40
I-195	4.35	7.00	I-95 / MD 166 in Arbutus	BWI Airport	01989-01-011989^[11]	current
I-270	32.60	52.46	I-495 / MD 355 in Bethesda	I-70 / US 40 in Frederick	01974-01-011974^[6]	current	Designated I-70S in 1959; became I-270 in 1974^[5]
I-270Y	2.10	3.38	I-495 near Bethesda	I-270 near North Bethesda	01974-01-011974	current	Known as I-270 Spur but referred to as I-270Y by MDSHA. Was originally I-270 when the current I-270 was I-70S.
I-295	0.80	1.29	I-495 / MD 210 in Oxon Hill	I-295 in Washington, D.C.	01965-01-011965^[4]	current
I-370	2.54	4.09	Sam Eig Highway in Gaithersburg	MD 200 in Redland	01989-01-011989^[11]	current
I-395	1.33	2.14	Baltimore	Howard Street and Camden Street in Baltimore	01981-01-011981^[9]	current
I-495	41.09	66.13	I-495 at the Virginia state line near Oxon Hill	I-495 at the Virginia state line near Cabin John	01963-01-011963^[7]	current	Beltway around Washington, D.C.
I-595	19.97	32.14	I-495 / US 50 near Glenarden	US 50 / US 301 / MD 70 in Parole	01991-01-011991	current	Unsigned highway; signed as US 50 and US 301
I-695	51.46	82.82	Beltway around Baltimore		01959-01-011959^[6]	current
I-795	8.99	14.47	I-695 in Pikesville	MD 795 in Reisterstown	01985-01-011985^[10]	current
I-895	14.87	23.93	I-95 in Elkridge	Baltimore	01979-01-011979^[12]	current
I-895A	0.71	1.14	I-97 in Brooklyn Park	I-895B in Brooklyn Park	01957-01-011957	current	Northward Unsigned highway extension of I-97
I-895B	2.67	4.30	MD 2 in Brooklyn Park	I-895 in Brooklyn Park	01957-01-011957	current	Unsigned highway except for mile marker posts
Former

References

^ Highway Information Services Division (December 31, 2013). Highway Location Reference. Maryland State Highway Administration. Retrieved 2012-10-06.
^ Maryland State Highway Administration (1991). Maryland: Official Highway Map (PDF) (Map). Baltimore: Maryland State Highway Administration.
^ ^a ^b Maryland State Roads Commission (1962). Maryland: Official Highway Map (PDF) (Map). Baltimore: Maryland State Roads Commission.
^ ^a ^b ^c Maryland State Roads Commission (1965). Maryland: Official Highway Map (PDF) (Map). Baltimore: Maryland State Roads Commission.
^ ^a ^b ^c ^d Maryland State Highway Administration (1974). Maryland: Official Highway Map (PDF) (Map). Baltimore: Maryland State Highway Administration.
^ ^a ^b ^c ^d ^e Maryland State Roads Commission (1959). Maryland: Official Highway Map (PDF) (Map). Baltimore: Maryland State Roads Commission.
^ ^a ^b Maryland State Roads Commission (1963). Maryland: Official Highway Map (PDF) (Map). Baltimore: Maryland State Roads Commission.
^ Maryland State Highway Administration (1987). Maryland: Official Highway Map (PDF) (Map). Baltimore: Maryland State Highway Administration.
^ ^a ^b Maryland State Highway Administration (1981). Maryland: Official Highway Map (PDF) (Map) (1981–1982 ed.). Baltimore: Maryland State Highway Administration.
^ ^a ^b Maryland State Highway Administration (1985). Maryland: Official Highway Map (PDF) (Map) (1985–1986 ed.). Baltimore: Maryland State Highway Administration.
^ ^a ^b Maryland State Highway Administration (1989). Maryland: Official Highway Map (PDF) (Map). Baltimore: Maryland State Highway Administration.
^ Maryland State Highway Administration (1979). Maryland: Official Highway Map (PDF) (Map) (1979–1980 ed.). Baltimore: Maryland State Highway Administration.

[Maryland_HLR-1] Highway Information Services Division (December 31, 2013). Highway Location Reference. Maryland State Highway Administration. Retrieved 2012-10-06.

[1991_map-2] Maryland State Highway Administration (1991). Maryland: Official Highway Map (PDF) (Map). Baltimore: Maryland State Highway Administration.

[1962_map-3] Maryland State Roads Commission (1962). Maryland: Official Highway Map (PDF) (Map). Baltimore: Maryland State Roads Commission.

[1965_map-4] Maryland State Roads Commission (1965). Maryland: Official Highway Map (PDF) (Map). Baltimore: Maryland State Roads Commission.

[1974_map-5] Maryland State Highway Administration (1974). Maryland: Official Highway Map (PDF) (Map). Baltimore: Maryland State Highway Administration.

[1959_map-6] Maryland State Roads Commission (1959). Maryland: Official Highway Map (PDF) (Map). Baltimore: Maryland State Roads Commission.

[1963_map-7] Maryland State Roads Commission (1963). Maryland: Official Highway Map (PDF) (Map). Baltimore: Maryland State Roads Commission.

[1987_map-8] Maryland State Highway Administration (1987). Maryland: Official Highway Map (PDF) (Map). Baltimore: Maryland State Highway Administration.

[1981_map-9] Maryland State Highway Administration (1981). Maryland: Official Highway Map (PDF) (Map) (1981–1982 ed.). Baltimore: Maryland State Highway Administration.

[1985_map-10] Maryland State Highway Administration (1985). Maryland: Official Highway Map (PDF) (Map) (1985–1986 ed.). Baltimore: Maryland State Highway Administration.

[1989_map-11] Maryland State Highway Administration (1989). Maryland: Official Highway Map (PDF) (Map). Baltimore: Maryland State Highway Administration.

[1979_map-12] Maryland State Highway Administration (1979). Maryland: Official Highway Map (PDF) (Map) (1979–1980 ed.). Baltimore: Maryland State Highway Administration.

[1]

[2]

[3]

[4]

[5]

[6]

[7]

[8]

[9]

[10]

[11]

[12]

v t e Maryland highway system
Lists of highways	Interstate Highways U.S. Highways Maryland state highways
Shorter than 1 mile (1.6 km)	2–699 700–799 800–899 900–999
Former state highways	2–199 200–399 400–499 500–599 600–699 700–999
Highway agencies	Maryland State Highway Administration (MDSHA) Maryland Transportation Authority (MDTA)
Other articles	Maryland Scenic Byways Baltimore Harbor Tunnel Fort McHenry Tunnel Baltimore–Washington Parkway Suitland Parkway Clara Barton Parkway

See also

References