Indiana State Road 18

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State Road 18 marker

State Road 18
Route information
Maintained by INDOT
Length: 141.13 mi[1] (227.13 km)
Major junctions
West end: Illinois state line west of Fowler
  US 41
US 52 / SR 55 in Fowler
US 231
I-65
US 421 / SR 39 through Delphi
US 35 at Galveston
US 31 east of Galveston
I-69
East end: US 27 / SR 67 at Bryant
Location
Counties: Benton, White, Carroll, Cass, Miami, Grant, Blackford, Jay
Highway system
  • Indiana State Roads
SR 17 SR 19

State Road 18 (SR 18) in the U.S. State of Indiana is an east–west route in North Central Indiana running from the Illinois border in Benton County almost to the Ohio border, terminating at U.S. Route 27 (US 27)/State Road 67 (SR 67) in Jay County. State Route 18 is mainly a 2 lane road with exception of 4 lane divided highway from Marion to Interstate 69 (I-69). Marion is the only considerably large city that Route 18 passes through. State Route 18 runs just south of the lakes region, with Lake Shafer, Lake Freeman, Mississinewa Reservoir, and Salamonie Reservoir not too far to the north. With the exception of Marion, Route 18 passes through mostly small towns. The terrain is mostly level and is utilized mostly for agriculture.

Route description[edit]

SR 18 heads east from the western terminus at the Illinois State line. Then SR 18 has an intersection with State Road 71. SR 18 heads east having an intersection with U.S. Route 41. Then SR 18 heads east towards Fowler, when in Fowler SR 18 begins a concurrency with U.S. Route 52 and Satte Road 55. All three route head southeast, until SR 18 turns due east. SR 18 heads east towards Brookston, passing through an intersection with U.S. Route 231 and an interchange with Interstate 65 (I-65). In Brookston SR 18 has a concurrency with State Road 43. From Brookston SR 18 heads east towards Pittsburg, just west of Pittsburg SR 18, begins a concurrency with U.S. Route 421, and State Road 39. All three route heads southeast towards Delphi, west of downtown Delphi State Road 25 joins the concurrency. Then all four routes turn northeast towards downtown Delphi. When in downtown Delphi SR 25 leaves the concurrency on a northeast route as US 421/SR 18/SR 39 turn southeast. South of Delphi SR 18 leaves the concurrency with US 421 and SR 39. SR 18 heads due east towards Flora where SR 18 has an intersection with State Road 75. SR 18 heads east towards Galveston passing through a concurrency with State Road 29. In Galveston SR 18 has an intersection with U.S. Route 35. Then just east of Galveston SR 18 has an intersection with U.S. Route 31.

From US 31, SR 18 heads east towards Converse passing through a concurrency with State Road 19. SR 18 then heads through Converse, after Converse SR 18 has a concurrency with State Road 13. SR 18 turns southeast towards Marion passing through Sweetser. In Marion eastbound SR 18 is on a Fourth Street and westbound SR 18 is on Third Street and Second Street. East of Marion the one-way streets become a four-lane highway. SR 18 heads east towards Montpelier passing through an interchange with I-69 and passing through an intersection with State Road 5 and State Road 3. East of Montpelier SR 18 passes through an intersection with State Road 1. Then SR 18 heads east towards its eastern terminus near Bryant at an intersection with US 27 and SR 67, from this intersection SR 67 heads east towards Ohio.[2]

Major intersections[edit]

County Location Mile[1] km Destinations Notes
Benton Parish Grove Township 0.00 0.00 Iroquois County Road 880 North Illinois State Line
1.94 3.12 SR 71
7.72 12.42 US 41 – Terre Haute, Hammond
Fowler 10.93 17.59 US 52 west / SR 55 north – Kentland, Crown Point Western end of US 52 and SR 55 concurrences
12.15 19.55 US 52 east / SR 55 south – Indianapolis, Attica Eastern end of US 52 and SR 55 concurrences
White Round Grove Township 26.65 42.89 US 231 – Lafayette, Crown Point
29.36 47.25 I-65 – Indianapolis, Gary
Brookston 35.16 56.58 SR 43 north – Reynolds Northern end of SR 43 concurrency
35.34 56.87 SR 43 south – Lafayette Eastern end of SR 43 concurrency
Carroll Tippecanoe Township 42.66 68.65 US 421 north / SR 39 north – Michigan City, La Porte Western end of US 421 and SR 39 concurrences
Delphi SR 25 south – Lafayette Western end of SR 25 concurrency
SR 25 north – Logansport Eastern end of SR 25 concurrency
Deer Creek Township 48.97 78.81 US 421 south / SR 39 – Frankfort, Indianapolis Eastern end of US 421 and SR 39 concurrences
Flora 54.99 88.50 SR 75
Carrollton Township 62.23 100.15 SR 29 south Southern end of SR 29 concurrency
63.74 102.58 SR 29 north – Logansport Northern end of SR 29 concurrency
Cass Galveston 74.76 120.31 US 35 – Kokomo, Logansport
Miami Deer Creek Township 78.24 125.92 US 31
Jackson Township 89.16 143.49 SR 19 north – Elkhart Western end of SR 19 concurrency
SR 19 south – Noblesville Eastern end of SR 19 concurrency
Grant Converse 94.71 152.42 SR 13 south – Elwood Southern end of SR 13 concurrency
95.02 152.92 SR 13 north – Wabash Northern end of SR 13 concurrency
Marion 103.15 166.00 SR 9 / SR 15 – Anderson, Gas City, Huntington, Wabash
109.84 176.77 I-69 – Indianapolis, Fort Wayne
Monroe Township 112.32 180.76 SR 5 – Upland, Warren
Blackford Washington Township 119.33 192.04 SR 3 – Hartford City, Markle
Jay Montpelier 131.06 210.92 SR 1 – Cambridge, Fort Wayne
Bryant 141.13 227.13 US 27 / SR 67 – Portland, Decatur, Celina Eastern terminus of SR 18
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References[edit]

External links[edit]

Route map: Google / Bing