Interstate 270 (Ohio)

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Interstate 270

The Outerbelt
Jack Nicklaus Freeway
Interstate 270 (Ohio)
I-270 highlighted in red
Route information
Auxiliary route of I-70
Maintained by ODOT
Length54.97 mi [1]  (88.47 km)
Historycompleted in 1975
NHSEntire route
Major junctions
Beltway around Columbus, Ohio
Major intersectionsI-71.svg I-71 near Grove City

I-70.svg I-70 near Hilliard
US 33.svg US 33 in Dublin
OH-315.svg SR 315 near Worthington
I-71.svg I-71 near Westerville
OH-161.svg SR 161 near New Albany
I-670.svg I-670 near Gahanna
I-70.svg I-70 near Reynoldsburg


US 23.svg US 23 near Grove City
Country United States
State Ohio
Counties Franklin
Highway system
  • Ohio State Highway System
OH-269.svg SR 269 OH-270 (1960).svg SR 270

Interstate 270 (I-270) is an auxiliary interstate highway that forms a beltway loop freeway in the Columbus metropolitan area in the US state of Ohio, commonly known locally as The Outerbelt or the Jack Nicklaus Freeway. The zero-milepost is at the junction with Interstate 71 east of Grove City, intersecting with I-71 again near Worthington as well as connecting with Interstate 70 twice with the western junction near Lincoln Village and the eastern junction near Reynoldsburg. The route furthermore links to the eastern terminus of Interstate 670 near Gahanna and provides indirect access to Port Columbus International Airport. The entire length of I-270 is 54.97 miles (88.47 km). It is one of four Interstate loops not to run concurrently with another Interstate freeway, the others being I-295 in Florida, I-485 in North Carolina, and I-610 in Texas.

Route description

I-270 provides access to several suburbs and towns surrounding Columbus, including Grove City, Westerville, Worthington, Hilliard, and Dublin. Although it started as a rural bypass of Columbus, many parts of it, primarily the northern section, have become more traveled and more congested over the years, making it less popular as a bypass and more widely regarded as a "suburb connector".

I-270 starts at I-71 on the southern side, marked as exit 55, and forms a combination interchange. It then makes its way clockwise around the city with three lanes, intersecting U.S. Route 62 (US 62), Georgesville Road, and US 40 before its next major interchange, with I-70. Here, it becomes a four-lane freeway as it passes through Hilliard and Dublin.

I-270 interchange at US 33/SR 161 I-270 at US-33-SR-161.jpg
I-270 interchange at US 33/SR 161

The northwestern "corner" of I-270 has an interchange with US 33/State Route 161 (SR 161). It then makes a sharp right as it heads toward Worthington. In Worthington are the notoriously congested interchanges of three major roadways, SR 315, US 23, and I-71. This is the location of the North Side Mega-Fix, which fixed the heavy weaving section between US 23 and SR 315; however, the project also worsened weaving between US 23 and I-71, leading to frequent mile-long (1.6 km) backups. [2]

After passing through Worthington, I-270 passes through Westerville, intersecting Cleveland Avenue and SR 3. After going through Westerville, the freeway intersects SR 161, and the freeway is divided into local–express lanes, with three local and three express lanes in each direction. This is where the freeway goes through Easton, a popular shopping destination.

Once the freeway has gone through Easton, the local–express lanes merge right before the interchange of I-670, creating a weaving section. This weave is currently being fixed in the Northbound direction as part of the I-670 Smartlane Project. After intersecting I-670, the freeway makes a hard turn left and then right to avoid both John Glenn Columbus International Airport and Gahanna. In between these two turns is a partial cloverleaf interchange with Hamilton Road, and after the turns is an interchange with SR 16. The freeway then divides from four lanes into two express lanes and three local lanes. This configuration continues up until the interchange with I-70. This interchange is planned to be entirely reconstructed to construct two flyover ramps, as well as unweave and widen I-70, as part of the Far East Freeway Study. [3]

After the I-70 interchange, the freeway becomes much more of a rural route, with only three lanes in each direction. The next interchange after I-70 is with US 33, a cloverleaf. After this, the freeway intersects Alum Creek Drive, then US 23, before the freeway meets back with I-71, forming a loop.


I-270 at exit 33 I-270 Easton.jpg
I-270 at exit 33


Planning for an outerbelt around Columbus began in the late 1950s. By the early 1960s, detailed planning for the route had begun, and several controversies arose. The first involved the location of the northern segment, which was originally planned to pass south of Worthington, passing through the Ohio School for the Deaf and just north of the then 10-year-old Graceland Shopping Center. Through vigorous lobbying throughout 1961, and with the help of Ohio Governor Michael DiSalle, residents were able to get the outerbelt relocated to pass north of Worthington. [4]

Another contentious issue involved the routing of the eastern portion of the outerbelt between Port Columbus International Airport and the city of Gahanna. While the airport wanted the outerbelt pushed out toward Gahanna so as to leave land for future runway expansion, the residents of Gahanna wanted it pushed back toward Columbus. The final compromise led to an interesting kink in I-270 as it jogs around the airport. [5]


Northwest of I-270; exit 15--Tuttle Crossing Boulevard WikiAir Ohio 01 - Northwest of I-270.JPG
Northwest of I-270; exit 15—Tuttle Crossing Boulevard

Construction of the outerbelt began in 1962, and work was begun on various disconnected sections. The first portion to be completed connected US 23 with I-71 south of Columbus. [6] The portion between US 23 and I-71 on the north side opened in August 1967. [7]

The section between I-70 on the west side and I-71 on the south side opened in August 1970. [8] In late 1970, sections opened on the east side between US 33 and I-70, and between SR 3 in Westerville and SR 161 on the east side. It was now possible to bypass Columbus using I-270 by going around the south side of the city. [9]

In June 1971, the section between Morse Road and SR 161 on the east side opened. In October 1971, another section on the east side between I-70 and East Main Street opened. It would take four more years to complete the northeast portion of the outerbelt. [10]

The last section of I-270, on the east side, between Hamilton Road and East Broad Street, was opened on August 20, 1975. [11] The total cost of the 10-year construction project was $175 million (equivalent to $743 million in 2022 [12] ), compared to the original 1961 estimate of $104 million (equivalent to $784 million in 2022 [12] ).

Accidents and incidents

Southwest of I-270 WikiAir Ohio 01 - Southwest of I-270.JPG
Southwest of I-270

In December 1965, during the construction of the northern section of I-270 across the Norfolk and Western (N&W) and NYC railroad tracks between US 23 and I-71, the New York Central's Ohio State Limited was wrecked after it hit a piece of earthmoving machinery, resulting in the operator's death and the injury of several passengers and crew. The train was dumped into the cornfield, resulting in a major operation to clean it up. [13]

On November 4, 1968, David R. Booth, aged 29, became the first person to die on I-270 when he hit another car while merging onto US 23 from I-270. [14]

In February 1974, three trucks traveling on I-270 on the south side near US 33 were struck by gunfire during a violent Teamsters Strike. [15]

The highway was the subject of national media attention in 2003 when 24 sniper shootings were reported along the southern portion of the Interstate and other neighboring highways in the Ohio highway sniper attacks. On November 23, 2003, 62-year-old Gail Knisley was shot to death, making her the only fatality associated with the string of shootings. Charles A. McCoy Jr., who had been diagnosed with paranoid schizophrenia in 1996, was accused of the shootings and stood trial in 2005. The first trial with death penalty charges resulted in a hung jury on May 9, 2005, most likely due to McCoy's severe mental illness. Rather than face a retrial, McCoy accepted a plea arrangement where he avoided the death sentence. He was sentenced to 28 years in prison on August 9, 2005.

On January 23, 2017, a gas tanker carrying 8,000 US gallons (6,700 imp gal; 30,000 L) of gasoline tipped over while exiting from US 33/SR 161 onto I-270 west in Dublin. A massive fire resulted from the crash, as well as multiple small grass fires caused by the gasoline dripping down the sides of the flyover ramp. Both highways were shut down in both directions for the day, and the ramp was shut down for one week as repairs were made. The only fatality was that of the truck driver. [16]

Expansion and noise barriers

In 1978, the first noise barriers were constructed on the portion of I-270 passing near Gahanna. Noise barriers have been slowly added around the length of the 55-mile-long (89 km) belt as development has crowded up to the noisy road. [17]

Massive development followed the construction of I-270, especially around the north and northwest sides. The northern suburbs of Westerville, Worthington, and Dublin and Hilliard to the west benefited the most. As in other sizeable cities across America, the effect of this outerbelt driven development was to hasten the decline of the Columbus core. The south portion of I-270 was much slower to develop due to the location of sewage treatment and landfill facilities, as well as quarries and the flood prone Scioto River. Grove City began to develop in the 1990s with the addition of office/warehouse space, and the conversion of Rickenbacker Air National Guard Base to a civilian air freight facility.

Exit list

The entire route is in Franklin County.

Locationmi [1] [18] kmOld exitNew exitDestinationsNotes
Jackson Township 0.00–
155I-71.svg I-71  Columbus, Cincinnati Signed as exits 55A (north) & 55B (south); I-71 exit 101 southbound, 101A-B northbound
2.133.4322US 62.svgOH-3.svg US 62  / SR 3  Grove City
Columbus 4.978.0035Georgesville RoadCardinal direction change: westbound becomes northbound & southbound becomes eastbound [lower-alpha 1]
township line
47US 40.svg US 40 (Broad Street)Signed as exits 7A (west) and 7B (east) southbound, northbound combined as exit 7
Columbus 8.69–
58I-70.svg I-70  Columbus, Dayton, Indianapolis I-70 exit 93 westbound, 93A-B eastbound.
10.5016.90610Roberts Road diverging diamond interchange [19]
Hilliard 12.63–
7A13Fishinger Blvd Upper Arlington
Cemetery Road Hilliard, Franklin County Fairgrounds
Signed as exits 13A (Fishinger Blvd) and 13B (Cemetery Road) northbound, southbound combined as exit 13
13.822.214Davidson RoadProposed
Columbus 15.6325.157B15Tuttle Crossing Blvd
Dublin 17.29–
817US 33.svgOH-161.svg US 33  / SR 161  Dublin, Muirfield, Marysville, Plain City Signed as exits 17A (east, north) and 17B (west, south); Cardinal direction change: northbound becomes eastbound & westbound becomes southbound [lower-alpha 2]
DublinColumbus line19.8231.90920Sawmill Road Columbus Zoo and Aquarium, Zoombezi Bay, Muirfield (WB)First SPUI in Ohio
Sharon Township 22.7836.661022OH-315.svg SR 315 Signed as exits 22A (south) and 22B (north) (Eastbound)
23.7838.271123US 23.svg US 23  Worthington, Delaware, Toledo Formerly Signed as exits 23A (south) and 23B (north)
Columbus 25.8341.571226I-71.svg I-71  Columbus, Cleveland I-71 no exit 119 northbound, 119A-B southbound.
ColumbusBlendon Township line27.3844.061327West plate.svg
SR 710 west (Cleveland Avenue)
Signed as exits 27A (south) and 27B (north/west); Eastern terminus of SR 710 last exit to be I-270 eastbound, at Westerville Road it changes directions to I-270 southbound
Blendon Township 28.7146.201429OH-3.svg SR 3  Westerville Cardinal direction change: eastbound becomes southbound & northbound becomes westbound [lower-alpha 3] ; SR 3 known as State Street north of I-270 and Westerville Road south of I-270
Blendon TownshipColumbus line30.5349.131530OH-161.svg SR 161  Worthington, New Albany Signed as exits 30A (south) and 30B (north); shares C-D roads with exit 33
Columbus 32.2751.931632Morse RoadNo connection to exits 30 or 33
32.9252.9817A33Easton Way Easton Shares C-D roads with exit 30
Mifflin Township 35.16–
17B35West plate blue.svg
West plate.svg
US 62.svg
Airport Sign.svg I-670 west / US 62 west Airport
East plate.svg
US 62.svg
US 62 east Gahanna
Johnstown Road
Signed as exits 35A (I-670/US 62 west), 35B (US 62 east) and 35C (Johnstown Road) southbound; Only access to Johnstown Road is northbound exit
Gahanna 37.3660.131837OH-317.svg SR 317 (Hamilton Road)
Columbus 39.5363.621939OH-16.svg SR 16 (Broad Street) / Taylor Station Road Whitehall Signed as exits 39A (west) and 39B (east); Only access to Taylor Station Road is northbound exit (via Old Morrison Road and Westbourne Avenue)
41.3266.502041US 40.svg US 40 (Main St) Whitehall, Reynoldsburg Signed as exits 41A (west) and 41B (east); shares C-D roads with exit 43
42.8268.912143I-70.svg I-70  Columbus, Wheeling Signed as exits 43A (west) & 43B (east); shares C-D roads with exit 41; I-70 exit 108 eastbound, 108A-B westbound.
46.1374.242246US 33.svg US 33  Bexley, Lancaster Signed as exits 46A (west) and 46B (east)
Obetz 48.9878.832349Airport Sign.svg Alum Creek Drive Obetz, Rickenbacker Int'l Airport Cardinal direction change: Southbound becomes westbound & eastbound becomes northbound [lower-alpha 4]
Hamilton Township 52.7284.842452US 23.svg US 23  / South High Street Columbus, Circleville Signed as exits 52A (north) and 52B (south) westbound; Access to Scioto Downs (SB)
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Hazardous materials

A sign on I-71 stating that thru hazmat carriers must use 270. Thru Hazardous Cargo Carriers must use 270.jpg
A sign on I-71 stating that thru hazmat carriers must use 270.

Columbus City Code section 2551.06(a) currently requires trucks which are transporting hazardous cargo and materials and have not started from nor are scheduled to stop inside of 270 to bypass the city using 270 and not use any roadway located inside of the outerbelt. The code's text cites the dense population of the Columbus area, and local law firms note that police frequently pull over trucks with HazMat placards to check the trucker's papers. Transporting HazMats within 270 without proper documentation are a misdemeanor of the first degree. [20] [21]

In 2015, an Ohio state trial court ruled in State v. Mitchell (2015 ERB 074646) that truckers carrying both HazMats and non-HazMats may not transport the HazMats within Interstate 270 while delivering or retrieving non-HazMats, signifying that any truck carrying HazMats and non-HazMats must drop off its HazMats first before entering roadways within 270. [22] [ failed verification ]


  1. As indicated by guide signs and reassurance markers at Georgesville Road. However, change is noted on the mainline at milepost 4.4. [18]
  2. As indicated by milemarkers. [18]
  3. As indicated by milemarkers and guide signs. [18]
  4. As indicated by guide signs and reassurance markers at Alum Creek Drive. However, change is noted on the mainline after milepost 48. [18]

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Template:Attached KML/Interstate 270 (Ohio)
KML is from Wikidata
  1. 1 2 District 6 staff (January 2006). "ODOT Straight Line Diagram, Franklin IR 270" (PDF). Ohio Department of Transportation. pp. 1–11. Retrieved August 24, 2011.{{cite web}}: CS1 maint: numeric names: authors list (link)
  2. "I-270 Columbus North Central Outerbelt Study Home". Archived from the original on May 11, 2009.
  3. "Far East Freeway Study". Ohio Department of Transportation . Archived from the original on April 9, 2019. Retrieved April 14, 2022.
  4. "Meeting Decries 'Near' Outerbelt". Columbus Dispatch . February 9, 1961. p. 1A.
  5. "Ohio Dept of Highways Completes Work on a Proposed New Alignment through Gahanna for the Outerbelt Expressway which Would Permit Future Expansion for Port Columbus". Columbus Dispatch. March 30, 1967. p. 1B.
  6. "Ohio Highway Department Reports on the Status of 6 Columbus Expressway Projects: Outerbelt, Ft Hayes Interchange, East Freeway, Parsons and Fulton Expressways". Columbus Dispatch. June 16, 1963. p. 14A.
  7. "The Outerbelt Expressway (I-270) Between the North Freeway and N High St Is Opened at Ceremonies Led by the Worthington Chamber of Commerce". Columbus Dispatch. August 15, 1967. p. 1B.
  8. "8.5 Mile Stretch of Outerbelt, I-270, Between I-70 West and South Freeway, Will Open 8/17". Columbus Dispatch. August 13, 1970. p. 1B.
  9. "A Missing Link in the Cols Outerbelt Opens to Traffic Nov 20, Allowing East–West Traffic to Pass Cols; the 3.2 Mile Link Between Rt 33 and I-70 Beats a Thanksgiving Deadline". Columbus Dispatch. November 19, 1970. p. 1A.
  10. "The Opening of E Main St (Rt 40) over the Outerbelt Is Scheduled for 6/21, and Work on E Main St–NOE–Bixby Rd Intersection May Also Be Completed by that Date". Columbus Dispatch. June 13, 1971. p. 19A.
  11. "Outerbelt Finish Set for Aug. 20". Columbus Dispatch. July 9, 1975. p. 1C.
  12. 1 2 Johnston, Louis; Williamson, Samuel H. (2023). "What Was the U.S. GDP Then?". MeasuringWorth. Retrieved November 30, 2023. United States Gross Domestic Product deflator figures follow the Measuring Worth series.
  13. "Dana B. Bolin, 49, of Athens, Ohio, Is Killed and about 30 People Are Injured in the Crash of New York Central's Ohio State Limited Passenger Train in Worthington". Columbus Dispatch. December 19, 1965. p. 1A.
  14. "David R. Booth, 29, 1066 Corwin Ave, Dies when his Car Collides with Another just North of I-270 Exit onto Rt 23, South of Columbus". Columbus Dispatch. November 4, 1968. p. 1B.
  15. "Three Trucks Traveling in Convoy on the Columbus Outerbelt near US 33 Are Struck by Gunfire as Violence Continues in the Strike by Independent Truckers". Columbus Dispatch. February 4, 1974. p. 1A.
  16. "Fiery gasoline-tanker crash kills driver, shuts Route 33, I-270". Columbus Dispatch. January 23, 2017.
  17. "Noise from the Outerbelt Are Erected in Gahanna; City Threatened To Sue Ohio Dept of Transportation if Barriers Were Not Erected". Columbus Dispatch. June 1, 1978. p. 10B.
  18. 1 2 3 4 5 Google (September 20, 2020). "Interstate 270 (Ohio)" (Map). Google Maps . Google. Retrieved September 20, 2020.
  19. "I-270/Roberts Road Interchange Improvement Project". Ohio Department of Transportation. Retrieved August 2, 2013.
  20. "§ 2551.06. Restrictions on the use of city streets for the transportation of hazardous materials., Chapter 2551. HAZARDOUS MATERIALS TRANSPORTATION, Title 25. FIRE PREVENTION CODE, Code of Ordinances, Columbus". The State of Ohio·Columbus. Retrieved August 10, 2022.
  21. "Columbus Hazmat Charges". Retrieved August 10, 2022.
  22. "State v. Mitchell, 2015 Ohio 1146 | Casetext Search + Citator". Retrieved August 10, 2022.