Interstate 283

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Highway in Pennsylvania

title: "Interstate 283" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["interstate-highways-in-pennsylvania", "auxiliary-interstate-highways", "roads-in-the-harrisburg,-pennsylvania-area", "transportation-in-dauphin-county,-pennsylvania", "interstate-83"] description: "Highway in Pennsylvania" topic_path: "sports" source: "https://en.wikipedia.org/wiki/Interstate_283" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Highway in Pennsylvania ::

::data[format=table title="Infobox road"]

Field	Value
state	PA
route	283
type	I
map
map_custom	yes
map_notes	I-283 highlighted in red
length_mi	2.91
length_ref
established	1972
direction_a	South
terminus_a	in Lower Swatara Township
junction	{{plainlist
*{{jct	state
direction_b	North
terminus_b	in Swatara Township
counties	Dauphin
previous_type	PA
previous_route	282
next_type	PA
next_route	283
spur_type	I
spur_of	83
::

| state = PA | route = 283 | type = I | map = | map_custom = yes | map_notes = I-283 highlighted in red | length_mi = 2.91 | length_ref = | established = 1972 | direction_a = South | terminus_a = in Lower Swatara Township | junction = {{plainlist|

in Swatara Township | direction_b = North | terminus_b = in Swatara Township | counties = Dauphin | previous_type = PA | previous_route = 282 | next_type = PA | next_route = 283 | spur_type = I | spur_of = 83 Interstate 283 (I-283) is an auxiliary route of the Interstate Highway System located just east of Harrisburg, Pennsylvania. It travels from the Harrisburg East interchange of the Pennsylvania Turnpike (I-76) north to I-83/U.S. Route 322 (US 322, Capital Beltway) at the Eisenhower Interchange. Pennsylvania Route 283 (PA 283, officially designated as SR 300 because of I-283) continues southeast from near the southern terminus of I-283 to Lancaster as a freeway, functioning as an extension of the Interstate, though they are two separate roads.

Route description

::figure[src="https://upload.wikimedia.org/wikipedia/commons/8/8e/2021-10-28_15_55_30_View_south_along_Interstate_283_just_south_of_Exit_2_in_Swatara_Township,_Dauphin_County,_Pennsylvania.jpg" caption="I-283 southbound past PA 441 in Swatara Township"] ::

I-283 begins at the Harrisburg East interchange of I-76 (Pennsylvania Turnpike) in Lower Swatara Township, Dauphin County; this interchange is a trumpet interchange. Past the interchange toll plaza, the road continues north and immediately reaches a partial cloverleaf interchange with the PA 283 freeway that also has access to PA 230 via Eisenhower Boulevard. I-283 continues north-northwest as a four-lane freeway, running past business parks before entering areas of farms and woods, crossing into Swatara Township. The road enters commercial areas as it comes to a diamond interchange with PA 441. After that exit, the road continues northwest before turning north and passing an industrial park. I-283 comes to its northern terminus at the Eisenhower Interchange with I-83/US 322 (Capital Beltway), at which point the freeway continues north as part of I-83 northbound/US 322 westbound along the Capital Beltway while I-83 southbound heads west along the Capital Beltway and US 322 eastbound heads east on a freeway.

History

::figure[src="https://upload.wikimedia.org/wikipedia/commons/a/ae/I-283_NB_from_PA_441_overpass.jpeg" caption="I-283 northbound at the PA 441 interchange in Swatara Township"] ::

Construction began on I-283 in 1968. Previously, the Harrisburg East interchange of the Pennsylvania Turnpike connected directly to Eisenhower Boulevard. The section from the turnpike to PA 441 opened in 1970 and included a short portion of what is now PA 283, connecting Eisenhower Boulevard to the exit 1 cloverleaf. The next year, the Eisenhower Interchange opened to traffic along with the remaining section of Interstate.

As part of a project to reconstruct 6 mi of PA 283, the interchange between I-283 and PA 283 was overhauled. The ramp from westbound PA 283 and northbound I-283 was widened to two lanes, and the loop ramp from westbound PA 283 to southbound I-283 toward the Pennsylvania Turnpike toll plaza was removed and replaced with a left turn and a traffic signal. This eliminated the problem of traffic weaving between the aforementioned loop ramp and the heavily-traveled loop ramp from southbound I-283 to eastbound PA 283. The project was completed in late 2020.

Exit list

[ftp://ftp.dot.state.pa.us/public/Bureaus/BOMO/RM/RITS/Annual%20Electronic%20SLDs%20by%20County/District%208/Dauphin%20Co.%20%20No%20Pipes.pdf Dauphin County] (PDF) |exit_ref= }} |location=Lower Swatara Township |ctdab=Dauphin |lspan=3 |feet=0 |old=– |exit=– |road= |notes=Southern terminus; exit 247 on I-76 / Turnpike}} |type=etc |place=Harrisburg East Toll Plaza}} |feet=87 |old=2 |exit=1 |road= |notes=Signed as exits 1A (PA 283) and 1B (PA 230); access to PA 230 via S. Eisenhower Blvd; last southbound exit before toll}} |location=Swatara Township |lspan=2 |ctdab=Dauphin |feet=9823 |old=1 |exit=2 |road= |notes=}} |feet=15348 |old=– |exit=3 |road= |notes=Northern terminus; signed as exits 3C (US 322 east), 3B (I-83 north/US 322 west) and 3A (I-83 south); exit 46A on I-83}}

References

(December 31, 2021). "Table 2: Auxiliary Routes of the Dwight D. Eisenhower National System Of Interstate and Defense Highways". [[Federal Highway Administration]].
"overview of Interstate 283".
(2010). "Dauphin County, Pennsylvania Highway Map".
Jeffrey J. Kitsko. (March 14, 2010). "Pennsylvania Highways: Interstate 283".
Knapp, Tom. (May 5, 2017). "Work begins on 6 miles of Route 283, part of $1B project to improve Capital Beltway". [[LNP (newspaper).
"Pennsylvania Exit Numbering". Pennsylvania Department of Transportation.

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