Indiana State Road 1

State Road 1 (SR 1) is a northsouth state highway in eastern Indiana, consisting of two segments. Its southern segment begins at U.S. Highway 50 and Interstate 275 in east-central Dearborn County, just east of Lawrenceburg, and ends at Interstate 469 south of Fort Wayne. Its northern segment begins at Interstate 69 on Fort Wayne's north side, and ends at U.S. Route 20 in east-central Steuben County, approximately 6 miles (9.7 km) east of Angola.

State Road 1
Route information
Maintained by INDOT
Length179.580 mi[1] (289.006 km)
ExistedOctober 1, 1926[2]–present
Southern segment
Length138.185 mi[1] (222.387 km)
South end I-275 / US 50 near Lawrenceburg
North end I-469 / US 33 near Fort Wayne
Northern segment
Length41.395 mi[1] (66.619 km)
South end I-69 in Fort Wayne
US 6 in Butler
North end US 20 near Angola
Highway system
SR 933SR 2

Route description

Southern section

State Road 1 begins at an interchange of Interstate 275; this is I-275's only exit in Indiana. Just after the interchange there is a stop light at U.S. Route 50 (US 50). SR 1 travels 14.53 miles (23.38 km) north-northwest until it reaches I-74; just beyond I-74 it crosses Indiana State Road 46 (SR 46). SR 1 continues north until it meets U.S. Route 52 (US 52) just west of Cedar Grove. Then US 52 and SR 1 continue north-northeast for 5.78 miles (9.30 km) until they reach Brookville; here, US 52 turns west on its way to Indianapolis, while SR 1 continues north-northwest for 16.81 miles (27.05 km) where it meets Indiana State Road 44 (SR 44). SR 1 and SR 44 travel together for 0.47 miles (0.76 km) where SR 1 turns north-northeast towards downtown Connersville. North of Connersville, SR 1 travels north-northwest until it reaches Cambridge City, where SR 1 crosses U.S. Route 40 (US 40). After the intersection at US 40, SR 1 heads north-northeast. After 2.90 miles (4.67 km) SR 1 has an interchange with Interstate 70 (I-70), then heads due north towards U.S. Route 36 (US 36). SR 1 turns east onto US 36 for 1.01 miles (1.63 km), then leaves US 36 and travels generally due north until it reaches Fort Wayne. Just south of Fort Wayne, SR 1 ends at an interchange with Interstate 469 (I-469).

Northern section

On the north side of Fort Wayne at the Dupont Road interchange of Interstate 69 (I-69), the northern section of SR 1 begins and heads east. The road heads away from I–69 as a six-lane divided highway, along the south edge of the Parkview Regional Medical Center complex, passing through numerous commercial properties. The highway narrows to a four-lane divided highway at Diebold Road and then enters an area of mixed commercial and residential properties. At Tonkel Road, SR 1 begins to curve northeast toward Leo and narrows to a two-lane highway. The route then leaves Fort Wayne, passing through rural farm land with scattered houses. Curving due north to enter Leo on Main Street, SR 1 then passes through residential areas of that town. North of downtown Leo the highway curves northeast and passes through a mix of commercial and residential properties. As the road enters DeKalb County it curves to run due north. The highway then enters Spencerville, passing through the center of town. After Spencerville, the road curves northeast, before again turning back north. The highway enters St. Joe and takes a sharp curve to head due east. The route crosses CSX Railroad tracks and makes another sharp curve heading due north. The road continues north until it meets SR 8. The two routes head east-southeast for a 1.04 miles (1.67 km) concurrency, until SR 1 departs the joint section heading due north. The road then passes through rural farmland, with a few houses, as a two-lane highway. Upon entering Butler it crosses the Norfolk Southern Railroad tracks, before encountering a signalized intersection with US 6 in downtown Butler. SR 1 then leaves Butler heading due north until it intersects DeKalb County Road 46, at which point the highway turns northwest. The route enter Hamilton and begins a concurrency with SR 427, heading northeast and passing Hamilton Lake. After 0.84 miles (1.35 km), SR 1 leaves the concurrency heading due north. The highway then continues in that direction until reaching its northern terminus at US 20.[3][4][5]



SR 1 began at US 50 and Main Street in Lawrenceburg and traveled north on Main Street until Main Street became Ridge Avenue. It then followed Ridge Avenue until it met the current SR 1.

Bluffton to Fort Wayne

Between the late 1940s and late 1950s, SR 1 had three or more lanes. This started in Bluffton and continued north to Fort Wayne.

Fort Wayne

Before being split into two sections on either side of Fort Wayne, SR 1 traveled on a continuous route through that city. From the present northern terminus of its southern section at Interstate 469's exit 6 in south-central Allen County, it continued north on Bluffton Road to pass just east of Fort Wayne's main airport (then known as Baer Field). In the Waynedale district of southwestern Fort Wayne, SR 3 joined Bluffton Road from the southwest at Lower Huntington Road. From there the routes originally continued together northward, hugging the bank of the St. Mary's River before curving east to bridge it. SR 1/SR 3 then immediately turned right (south) onto Broadway for about 700 feet (210 m) before turning east on Rudisill Boulevard. From there the routes continued to a one way pair of Clinton Street (southbound) and Lafayette Street (northbound), which then carried a concurrency of US 27 from Decatur and US 33 from St. Marys, Ohio. At Lima Road, SR 3 continues north, as US 27 and SR 1 got on I-69 northbound until exiting at Dupont Road.

In later years, after the decommissioning of SR 3 through Fort Wayne and the completion of the Baer Field Thruway (later renamed Airport Expressway), SR 1 was rerouted to turn right onto that roadway, which deposited motorists onto Paulding Road at Fairfield Avenue. From there SR 1 headed east along Paulding Road to its intersection with US 27/US 33 (now Lafayette Street), where it turned left (north) and joined those routes to downtown Fort Wayne.

North of Rudisill Boulevard, the original concurrency of US 27/US 33/SR 1/SR 3 (as well as the later concurrency of the first 3 routes) followed the Lafayette Street/Clinton Street pair to downtown Fort Wayne, where US 33 departed to the west. North of downtown, Lafayette Street became Spy Run Boulevard (still one-way northbound) until it terminated at the north end of the one-way pair with Clinton Street. From there the three (later two) combined routes continued north for a few blocks on Clinton Street to Northrup Street, where they curved northwest onto the latter roadway. Just south of Coliseum Boulevard SR 930 (then U.S. 30), Northrup Street becomes Lima Road, and continues north-northwest to I-69. At that point, SR 3 continued (later resumed) northbound on Lima Road to Kendallville, and US 27 and SR 1 both entered I-69 northbound, with SR 1 concurrent with the freeway until the Dupont Road interchange and US 27 concurrent with I-69 into Michigan.

Steuben County

At one point, the northern terminus was at SR 120 just west of the Ohio State Line.

Major intersections

DearbornGreendale0.0000.000 I-275 / US 50 Lawrenceburg, Cincinnati (Ohio)Exit 16 on I-275; southern terminus of SR 1
Saint Leon14.618–
I-74 Indianapolis, Cincinnati (Ohio)Exit 164 on I-74
14.96224.079 SR 46
FranklinCedar Grove20.75133.395 US 52 eastSouthern end of US 52 concurrency
Brookville SR 252 east (E 4th Street) Hamilton (Ohio)Western terminus of SR 252
26.60642.818 US 52 west / SR 101 northNorthern end of US 52 concurrency; southern of SR 101 concurrency
26.78443.105 SR 101 north LibertyNorthern end of SR 101 concurrency
FayetteConnersville43.44669.920 SR 44 east LibertyEastern end of SR 44 concurrency
43.92470.689 SR 44 west RushvilleWestern end of SR 44 concurrency
WayneCambridge City56.87691.533 US 40 Indianapolis, Richmond
I-70 Indianapolis, RichmondExit 137 on I-70
Hagerstown63.706102.525 SR 38 New Castle, Richmond
Losantville68.777110.686 US 35 Richmond, Muncie
RandolphModoc73.305117.973 US 36 west IndianapolisWestern end of US 36 concurrency
74.320119.606 US 36 east Greenville (Ohio)Eastern end of US 36 concurrency
Farmland83.049133.654 SR 32 east WinchesterSouthern end of SR 32 concurrency
84.353135.753 SR 32 west MuncieNorthern end of SR 32 concurrency
Green Township92.277148.505 SR 28 Albany, Union City
JayRedkey96.487155.281 SR 67 Muncie, Albany, Portland
Knox Township102.671165.233 SR 26 east PortlandSouthern end of SR 26 concurrency
103.172166.039 SR 26 west Hartford CityNorthern end of SR 26 concurrency
Penn Township110.237177.409 SR 18 Montpelier, Bryant
WellsNottingham Township117.303188.781 SR 218 Warren, Berne
Bluffton122.011196.358 SR 116 east GenevaSouthern end of SR 116 concurrency
123.555198.842 SR 124 east MonroeSouthern end of SR 124 concurrency
124.555200.452 SR 116 west / SR 124 west Peru, MarkleNorthern end of SR 116 and SR 124 concurrencies
Jefferson Township129.597208.566 US 224 Huntington, Markle, Decatur
AllenFort Wayne138.144–
I-469 / US 33 New Haven, DecaturExit 6 on I-469; northern terminus of the southern section of SR 1
Gap in route
AllenFort Wayne138.186–
I-69 Indianapolis, Lansing (MichiganExit 316 on I-69; southern terminus of the northern section of SR 1; Diverging diamond interchange
DeKalbConcord Township157.575253.592 SR 8 west AuburnWestern end of SR 8 concurrency
158.583255.215 SR 8 east / SR 101 south Woodburn, Hicksville (Ohio)Northern terminus of SR 101; Eastern end of SR 8 concurrency
Butler163.695263.442 US 6 Waterloo, Edgerton (Ohio)
Hamilton172.124277.007 SR 427 south WaterlooSouthern end of SR 427 concurrnecy
172.946278.330 SR 427 north Edon (Ohio)Northern end of SR 427 concurrency
SteubenScott Township179.580289.006 US 20 Angola, Toledo (Ohio)Northern terminus of SR 1
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also


  1. Indiana Department of Transportation (July 2016). Reference Post Book (PDF). Indianapolis: Indiana Department of Transportation. Retrieved April 11, 2017.
  2. "Road Numbers to Be Changed". The Hancock-Democrat. The Indianapolis News. September 30, 1926. Retrieved June 9, 2016 via
  3. Google (September 13, 2012). "overview of the northern section of SR 1" (Map). Google Maps. Google. Retrieved September 13, 2012.
  4. Indiana Department of Transportation (2012). Indiana Transportation Map (PDF) (Map) (2011–2012 ed.). 1:550,000. Indianapolis: Indiana Department of Transportation. OCLC 765461296. Retrieved September 13, 2012.
  5. Indiana Department of Transportation (August 23, 2011). Indiana Railroad Map (PDF) (Map). 1:633,600. Indianapolis: Indiana Department of Transportation. Retrieved September 13, 2012.

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