Indiana State Road 18

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State Road 18 marker

State Road 18
Route information
Maintained by INDOT
Length141.13 mi[2] (227.13 km)
ExistedOctober 1, 1926[1]–present
Major junctions
West endIllinois 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
CountiesBenton, White, Carroll, Cass, Miami, Grant, Blackford, Jay
Highway system
SR 17SR 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 State Road 55. All three routes 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.[3]

Major intersections[edit]

CountyLocationmi[2]kmDestinationsNotes
BentonParish Grove Township0.0000.000Iroquois County Road 880 NorthIllinois State Line
2.0023.222 SR 71
7.79812.550 US 41 – Terre Haute, Hammond
Fowler10.99817.700 US 52 west / SR 55 north – Kentland, Crown PointWestern end of US 52 and SR 55 concurrences
12.21819.663 US 52 east / SR 55 south – Indianapolis, AtticaEastern end of US 52 and SR 55 concurrences
WhiteRound Grove Township26.75443.056 US 231 – Lafayette, Crown Point
29.369–
29.524
47.265–
47.514
I-65 – Indianapolis, Gary
Brookston35.27756.773 SR 43 north – ReynoldsNorthern end of SR 43 concurrency
35.45857.064 SR 43 south – LafayetteEastern end of SR 43 concurrency
CarrollTippecanoe Township42.72868.764 US 421 north / SR 39 north – Michigan City, La PorteWestern end of US 421 and SR 39 concurrences
Delphi48.11177.427 SR 25 north – Lafayette, Logansport
Deer Creek Township49.26179.278 US 421 south / SR 39 – Frankfort, IndianapolisEastern end of US 421 and SR 39 concurrences
Flora55.27888.961 SR 75
Carrollton Township62.521100.618 SR 29 southSouthern end of SR 29 concurrency
64.018103.027 SR 29 north – LogansportNorthern end of SR 29 concurrency
CassGalveston75.094120.852 US 35 – Kokomo, Logansport
MiamiDeer Creek Township78.571126.448 US 31
Jackson Township89.520144.068 SR 19 north – ElkhartWestern end of SR 19 concurrency
GrantRichland Township95.034152.942 SR 13 south / SR 19 south – ElwoodSouthern end of SR 13 concurrency; eastern end of SR 19 concurrency
95.447153.607 SR 13 north – WabashNorthern end of SR 13 concurrency
Marion103.502166.570 SR 9 / SR 15 – Anderson, Gas City, Huntington, Wabash
110.124–
110.234
177.227–
177.404
I-69 – Indianapolis, Fort Wayne
Monroe Township112.661181.310 SR 5 – Upland, Warren
BlackfordWashington Township119.659192.572 SR 3 – Hartford City, Markle
JayMontpelier131.395211.460 SR 1 – Cambridge, Fort Wayne
Bryant141.476227.684 US 27 / SR 67 – Portland, Decatur, CelinaEastern terminus of SR 18
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References[edit]

  1. ^ "Road Numbers to Be Changed". The Hancock-Democrat. The Indianapolis News. September 30, 1926. Retrieved June 9, 2016 – via Newspapers.com. open access
  2. ^ a b "INDOT Roadway Referencing System" (PDF). Archived from the original (PDF) on 2011-06-15.
  3. ^ Google (2011-03-12). "overview map of SR 18" (Map). Google Maps. Google. Retrieved 2011-03-12.

External links[edit]

Route map:

KML is from Wikidata