Interstate 275 (Ohio–Indiana–Kentucky)

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Interstate 275 marker

Interstate 275
Cincinnati By-Pass
Route information
Auxiliary route of I‑75
Length: 83.71 mi[1] (134.72 km)
Existed: 1962 – present
Major junctions
Beltway around Cincinnati, Ohio
States: Kentucky, Indiana, Ohio
Counties: KY: Kenton, Boone, Campbell
IN: Dearborn
OH: Hamilton, Clermont
Highway system
SR 269 IN SR 301
KY 274 KY KY 276
SR 274 OH SR 275

Interstate 275 (I-275) is an 83.71-mile-long (134.72 km)[1] loop in Ohio, Indiana, and Kentucky that forms a complete beltway around the Cincinnati, Ohio, area. It is the only auxiliary interstate that enters three states, including one state that the parent route does not enter (Indiana). It is the longest loop interstate highway in the United States,[2] and it encloses an area of over 250,000 acres.[3] For a short distance in northwest Hamilton County it overlaps with I-74 and U.S. Highway 52 (US 52).

I-275 is signed as the Cincinnati By-Pass and officially known as the Donald H. Rolf Circle Freeway in Ohio, after a state senator,[4] but locals rarely use these names, instead simply referring to it as "two-seventy-five." In 2011, Kentucky named its segment the Ronald Reagan Highway, not to be confused with Ronald Reagan Cross County Highway across the river in Cincinnati.[5] The section in Clermont County is also designated as the Staff Sergeant Matt Maupin Veterans Memorial Highway.

Route description[edit]

I-71/I-75 to Indiana[edit]

I-275 heads west toward Indiana passing by the Cincinnati/Northern Kentucky International Airport, with Kentucky Route 212 (KY 212) used as the service road to and from the airport. Then near Hebron, west of the airport, I-275 has an interchange with Kentucky Route 237 (KY 237), before passing over the Ohio River into Indiana.


In Indiana I-275 passes through a rural area with only one interchange at US 50/State Road 1 (SR 1). I-275 heads northeast towards Ohio; at the Ohio state line I-275 passes over US 50.


Along I-275 on its northeast side
SSGT Matt Maupin Veterans Memorial Highway in Clermont County, Ohio, near Loveland

I-275 heads northeast towards Springdale. I-275 has a short concurrency with I-74. When the concurrency ends, I-275 has an intersection with Ohio State Route 126 (SR 126, Ronald Reagan Cross County Highway). Then I-275 has interchanges with US 27 and US 127. I-275 turns east having an interchange with SR 4, SR 747, I-75, and US 42. I-275 turns southeast having an interchange with I-71 and US 22/SR 3. I-275 passes through over the Little Miami River, entering Clermont County, where it is officially named in honor of Matt Maupin, a local soldier killed during the Iraq War. I-275 turns due south toward Milford and connects with SR 28, SR 450, SR 32, and SR 125. I-275 turns due west towards Kentucky, passing through a short concurrency with US 52, before crossing over the Ohio River into Kentucky.

Ohio to I-71/I-75[edit]

From Ohio I-275 heads southwest towards Highland Heights. I-275 has an interchange with I-471 near Highland Heights. I-275 turns due west towards Crestview Hills, passing through an interchange with KY 9, KY 16, and KY 17. In Crestview Hills I-275 has an interchange with US 25/US 42/US 127. I-275 turns northeast towards I-71/I-75.


I-74/I-275 bridge accident[edit]

On May 20, 2008, a tractor-trailer hauling a locomotive separated while traveling on the ramp from westbound I-74 to southbound I-275. After the trailer detached, it crashed into supports for the bridge on I-74 eastbound going over the ramps between I-275 and I-74 westbound. As a result, the Ohio Department of Transportation shut down eastbound I-74 for several weeks.[6] Both ramps between I-74 west and I-275 were closed as well, because of fears the bridge would collapse, but two crossovers were built so that traffic could use one lane of westbound I-74 to travel east around the damaged bridge.[7]

Exit list[edit]

State County Location mi[8][9][10] km Exit[11] Destinations Notes
Kentucky Kenton Erlanger 0.000 0.000 84 I-71 / I-75 – Louisville, Lexington, Cincinnati I-71/75 exit 185.
Boone 2.027 3.262 2 Mineola Pike
3.969 6.387 4 KY 212 to KY 20 – Cincinnati-Northern Kentucky International Airport Signed as exits 4A (east) and 4B (west) westbound
Hebron 7.028 11.310 8 KY 237 (North Bend Road) – Hebron Signed as exits 8A (north) and 8B (south) westbound
Idlewild 11.427 18.390 11 KY 8 south – Petersburg Northern terminus of the western segment of KY 8; I-275 west becomes north inner; I-275 south to east outer
Ohio River 13.858 22.302 Kentucky–Indiana state line
Carroll Lee Cropper Bridge
Indiana Dearborn Lawrenceburg 15.13 24.35 16 SR 1 north to US 50 – Lawrenceburg, Greendale, Aurora Southern terminus of SR 1; access to Hollywood Casino Lawrenceburg, Grand Victoria Casino and Belterra Casino
  17.02 27.39 Indiana–Ohio state line
Ohio Hamilton 20.99 33.78 21 Kilby Road
24.24 39.01 25 I-74 west / US 52 west – Indianapolis South end of I-74 / US 52 overlap; I-74 exit 5
Miamitown 27 SR 128 (Hamilton–Cleves Road) – Hamilton, Cleves I-275 north becomes east inner; I-275 west becomes south outer
27.82 44.77 28 I-74 east / US 52 east – Cincinnati East end of I-74 / US 52 overlap; I-74 exit 9
Groesbeck 30.47–
31 Ronald Reagan Cross County Highway east / Blue Rock Road Complete access formed by two partial interchanges: eastbound exit and westbound entrance at Ronald Reagan Cross County Highway; westbound exit and eastbound, westbound entrances at Blue Rock Road
Colerain Township 33.04 53.17 33 US 27 / SR 126 (Colerain Avenue) Access to Northgate Mall
Pleasant Run 36.40–
36 US 127 (Hamilton Avenue) – Forest Park, Fairfield
Forest Park 38.25 61.56 39 Winton Road – Fairfield, Greenhills Access to Cincinnati Mall; westbound exit is split into separate north and south exits attached via collector/distributor lane
Springdale 40.40 65.02 41 SR 4 (Dixie Highway) – Springdale, Fairfield, Hamilton
41.40 66.63 42 SR 747 (Princeton Pike) – Springdale, Glendale Signed as exits 42A (south) and 42B (north) westbound; access to Tri-County Mall
Sharonville 42.74 68.78 43 I-75 (Millcreek Expressway) – Dayton, Cincinnati Signed as exits 43A (south) and 43B (north); I-75 exit 16
43.47 69.96 44 Mosteller Road – Sharonville
45.36 73.00 46 US 42 (Lebanon Road) – Sharonville, West Chester, Mason
46.81 75.33 47 Reed Hartman Highway – Sharonville, Blue Ash
Montgomery 48.24 77.63 49 I-71 – Columbus, Cincinnati I-71 north exit 17, south exits 17A-B; signed as exits 49A (south) & 49B (north) westbound.
49.22 79.21 50 US 22 / SR 3 (Montgomery Road) – Montgomery, Morrow
51.86 83.46 52 Loveland–Madeira Road – Loveland, Indian Hill, Madeira
Clermont Sundale 54.30 87.39 54 Wards Corner Road I-275 east becomes south inner; I-275 north becomes west outer
Mulberry 57.31 92.23 57 SR 28 – Milford, Blanchester
Milford 59.20 95.27 59 SR 450 (Milford Parkway) to US 50 – Milford, Hillsboro Signed as exits 59A (west) and 59B (east); southbound exit uses collector/distributor lane
Mount Carmel 63.42 102.06 63 SR 32 – Newtown, Batavia Access to Eastgate Mall
Withamsville 65.91 106.07 65 SR 125 (Ohio Pike) – Amelia I-275 south becomes west inner; I-275 east becomes north outer
Hamilton Anderson Township 68.83 110.77 69 Five Mile Road
Cincinnati 70.95 114.18 71 US 52 east (Kellogg Avenue) – New Richmond East end of US 52 overlap
72.64 116.90 72 US 52 west (Kellogg Avenue) – Cincinnati West end of US 52 overlap; access to River Downs
Ohio River 73.061 117.580 Ohio–Kentucky state line
Kentucky Campbell Highland Heights 74.857 120.471 74 I-471 north / KY 471 south to US 27 – Cincinnati, Alexandria, Highland Heights Southern terminus of I-471, exits 1A-B; northern terminus of KY-471; signed as exits 74A (north) and 74B (south).
75.454 121.431 76 Three Mile Road – Wilder, Northern Kentucky University Access to Northern Kentucky University; eastbound exit and westbound entrance
Wilder 77.097 124.076 77 KY 9 (AA Hwy.) – Wilder, Maysville, Alexandria
Kenton Taylor Mill 78.779 126.783 79 KY 16 (Taylor Mill Road) – Covington, Taylor Mill
Fort Wright 79.970 128.699 80 KY 17 (Madison Pike) – Covington, Independence
Lakeside Park 82.030 132.014 82 KY 1303 (Turkeyfoot Road) – Lakeside Park, Crestview Hills, Access to Thomas More College; leads to Edgewood
82.503 132.776 83 US 25 / US 42 / US 127 (Dixie Highway) – Erlanger, Florence
Erlanger 83.780 134.831 84 I-71 / I-75 – Louisville, Lexington, Cincinnati
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b Adderly, Kevin (January 27, 2016). "Table 2: Auxiliary Routes of the Dwight D. Eisenhower National System of Interstate and Defense Highways as of December 31, 2015". Route Log and Finder List. Federal Highway Administration. Retrieved May 31, 2016. 
  2. ^ Smith, Steve & Woods, Jamie (2007). "Around Town: How to Decode Cincinnati's Many Motorways". Cincinnati USA City Guide. p. 79. ISSN 0746-8210. Retrieved May 6, 2013. 
  3. ^ "DaftLogic Google Maps Area Calculator Tool". [permanent dead link][full citation needed]
  4. ^ Welzel, Karin A. (c. 1984). "Honorary name article". The Columbus Dispatch. Retrieved April 12, 2009. [full citation needed]
  5. ^ Wartman, Scott (September 29, 2011). "N.Ky. Gets Ronald Reagan Highway". The Kentucky Enquirer. Cincinnati. Archived from the original on October 2, 2011. Retrieved October 3, 2011. 
  6. ^ "60–90 Days to Fix Whitewater Township Bridge". Cincinnati, OH: WKRC-TV. May 21, 2008. Archived from the original on May 30, 2008. Retrieved May 23, 2008. 
  7. ^ Relyea, Neil (May 22, 2008). "Work Crews Open One Lane from W I-74 To S I-275". Cincinnati, OH: WCPO-TV. Retrieved May 23, 2008. [dead link]
  8. ^ Kentucky Transportation Cabinet (2007). "Official DMI Route Log". Frankfort: Kentucky Transportation Cabinet. Retrieved September 3, 2011. 
  9. ^ Indiana Department of Transportation (2004). "Reference Post Book" (PDF). Indianapolis: Indiana Department of Transportation. I-275. Archived from the original (PDF) on June 15, 2011. Retrieved September 3, 2011. 
  10. ^ Ohio Department of Transportation Division of Planning (January 1, 2009). "Straight Line Diagrams". Columbus: Ohio Department of Transportation. Retrieved September 3, 2011. 
  11. ^ Ohio Department of Transportation (2007). "Interstate 275" (PDF). Ohio Interstate Exit Guide. Ohio Department of Transportation. Archived from the original (PDF) on December 29, 2010. Retrieved January 18, 2011. 

External links[edit]

Route map: Google

KML is from Wikidata