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Illinois Route 1
Route information
Maintained by IDOT and CDOT
Length	323.06 mi[2] (519.91 km)
Existed	1918[1] – present
Major junctions
South end	KY 91 in Cave-in-Rock
	US 45 in Norris City I-64 in Grayville US 50 in Lawrenceville I-70 in Marshall US 36 in Chrisman I-74 in Danville US 24 in Watseka US 52 in Martinton I-80 / I-294 in East Hazel Crest US 6 in Harvey
North end	I-57 / I-94 in Chicago
Location
Counties	Clark, Cook, Crawford, Edgar, Edwards, Gallatin, Hardin, Iroquois, Kankakee, Lawrence, Vermilion, Wabash, White, Will
Highway system
Illinois State Highway System Interstate U.S. State Tollways ← I-490 IL 2 →

Illinois Route 1 (IL 1) is a state highway in the U.S. state of Illinois. Running parallel to the Indiana border, it is also the longest state road, starting on the south side of Chicago as Halsted Street at an intersection with Interstate 57, south to a free ferry crossing to Kentucky at Cave-in-Rock on the Ohio River. This is a distance of 325.59 miles (523.99 km).^[2]

Route description

Cave-in-Rock to Birds

IL 1 south approaching the Cave-in-Rock ferry slip

Illinois Route 1 begins at the ferry dock for the Cave-in-Rock Ferry in the eponymous village of Cave-in-Rock along the Ohio River. A continuation of Kentucky's Route 91, IL 1 begins its journey in the Shawnee National Forest, leaving the village of Cave-in-Rock for the hamlet of Loves Crossing, where it meets the eastern terminus of IL 146. For the next 20 miles (32 km), IL 1 winds north through the forest, reaching a junction with IL 13, which connects to Equality and Shawneetown. Further north, IL 1 remains a two-lane road when it junctions with IL 141 at the Gallatin–White county line. IL 1 soon reaches the village of Norris City, where it junctions with U.S. Route 45. Here, IL 1 turns northeast and bypasses the village.^[3]

Continuing northeast for 13 miles (21 km), the route reaches the village of Carmi. In Carmi, IL 1 is known as West Main Street, paralleling nearby IL 14. At the junction of Oak Street and West Main Street, IL 1 and IL 14 become concurrent. IL 1 and IL 14 follow East Main Street out of downtown Carmi, changing names to Cross Street as it enters the village of Crossville. In Crossville, IL 1 and IL 14 split, with the latter turning east on East Main Street. IL 1 turns north on North State Street through Crossville before leaving the village. Returning to its northeast progression, the route passes the community of Calvin before reaching a junction with Interstate 64 (exit 130). The interchange marks the entrance to the village of Grayville. In Grayville, the route crosses the Edwards County line and reaches a junction with the southern end of IL 130 (Hagedom Road).^[3]

After the village of Grayville, IL 1 turns northeast and runs along a general parallel with the Wabash River. The route passes through the village of Keensburg before reaching the village of Mount Carmel. Now in Wabash County, IL 1 runs northeast through the village as West Third Street. At the junction with Walnut Street, IL 1 meets IL 15, which connects to State Route 64 in Indiana. Continuing northeast, IL 1 and IL 15 are concurrent to the junction of North Market Street, where they turn northwest to the intersection with East Ninth Street. There, IL 1 and IL 15 split in different directions, with IL 15 heading southwest while IL 1 runs northeast on East Ninth Street. The route continues on East Ninth Street for two blocks, where the road turns northwest on North Cherry Street. Along North Cherry Street, IL 1 turns north and winds out of Mount Carmel.^[3]

IL 1 turns northeast north of Mount Carmel and returns to its parallel with the Wabash River. The road passes the village of Allendale before crossing the line into Lawrence County. At the community of Sand Barrens, IL 1 passes east of the Mount Carmel Municipal Airport and west of the village of St. Francisville. The route continues straight north until reaching the village of Lawrenceville. In Lawrenceville, IL 1 is known as 15th Street. At State Street, the route junctions with US 50 Business, which connects to IL 250 and US 50. After leaving downtown Lawrenceville, the route meets US 50 at a grade-separated interchange. For the next 19 miles (31 km), IL 1 continues straight north, reaching the Crawford County line near the community of Birds.^[3]

Robinson to Hoopeston

Passing to the east of the city of Robinson, IL 1 reaches a junction with IL 33. Meeting at the community of Gordons, IL 33 also connects to the village of Palestine. Several miles north, the route reaches Clover Street, which runs east in the village of Hutsonville, where it becomes Indiana's SR 154. Continuing north, IL 1 passes Lake Walton and crosses into Clark County. Through Clark County, the road makes several bends in various northern directions before reaching the city of Marshall. In Marshall, IL 1 is known as South Sixth Street before becoming Michigan Avenue. At the northern end of the city, IL 1 junctions with US 40. After crossing railroad tracks, IL 1 then meets Interstate 70 (exit 147).^[3]

After Marshall, IL 1 continues north and crosses into Edgar County. The route soon reaches the city of Paris, where it becomes South Main Street. After Jackson Street, the route becomes a one-way pair, with the northbound direction running along Main Street while the southbound directions runs on Monroe Street. At the junction with Jasper Street, IL 1 meets US 150, IL 16 and IL 133. IL 1 and US 150 become concurrent, running along Main and Monroe. The one-way pair ends at a junction with Elliot Street, where IL 1 and US 150 leave downtown Paris. The routes leave Paris and pass through the community of Wetzel at the Edgar County Airport. The two routes cross a junction with US 36, which marks the entrance to the village of Chrisman. In Chrisman, IL 1 and US 150 wind northeast as Pennsylvania Street, quickly departing the village.^[3]

IL 1 and US 150, the roads cross into Vermilion County. In Vermilion County, the routes continue due north through the villages of Ridge Farm and Georgetown. Paralleling railroad tracks, they soon reach the city of Tilton, where IL 1 and US 150 gain the moniker of Georgetown Road. Just north of West 14th Street, the routes meet an interchange with Interstate 74 (exit 215A-B). The routes cross through South Danville until the Middle Fork of the Vermilion River. After the river, the routes enter the city of Danville, becoming North Gilbert Street. IL 1 and US 150 continue north along Gilbert until the junction with West Fairchild Street. They turn east on West Fairchild, going four blocks before turning north on North Vermilion Street. At the junction of Main Street, US 150 turns west while US 136 becomes concurrent from the east.^[3]

IL 1 running south from IL 9 in Hoopeston

Through Danville, IL 1 and US 136 continue north along North Vermilion Street until leaving the city. The routes pass east of the village of Johnsonville, before reaching the village of Alvin. In Alvin, US 136 turns west at the junction with the western terminus of IL 119, which connects to State Road 28 in Indiana. IL 1 bends northeast before reaching Rossville following some railroad tracks. The route turns north and reaches the village of Hoopeston, where it meets IL 9. Running along the westernmost end of Hoopeston, IL 1 is known as Chicago Road, crossing the Iroquois County line.^[3]

Hoopeston to Chicago

IL 1 leaves Hoopeston in Iroquois County, reaching the village of Milford, where it passes east of Milford Airport. At Milford, IL 1 turns northeast for a short distance before returning to the north. At the eastern end of the city of Watseka, the route meets US 24 at a t-intersection. IL 1 and US 24 become concurrent, running west into Watseka. Known as East Walnut Street, the routes cross through downtown before turning northeast to a junction with West Lafayette Street. Now running west on West Lafayette Street, IL 1 and US 24 split, with the latter running west while IL 1 turns north on North Jefferson Street. The route crosses the Iroquois River and leaves Watseka. After Watseka, IL 1 continues north alongside railroad tracks, reaching a junction with US 52, marking the entrance into Martinton. North of Martinton, the route crosses the line into Kankakee County.^[3]

After crossing the county line, IL 1 continues north before turning east into the village of St. Anne. In St. Anne, the route turns north again, reaching the community of Sun River Terrace, where it meets IL 17, coming east from Kankakee. IL 1 and IL 17 become concurrent through Sun River Terrace, turning eastward as Dixie Highway. The roads bend north and enter the city of Momence. In Momence, the routes run east along the Kankakee River before reaching the northern terminus of IL 114. IL 1 and IL 17 run north through downtown Momence as Dixie Highway before leaving the city. The routes continue north until turning east into the village of Grant Park. At North Main Street, IL 1 and IL 17 turn north for several blocks before turning east and out of Grant Park. Just east of the village, IL 1 and IL 17 split. IL 1 turns north while IL 17 turns south.^[3]

IL 1 and IL 17 at the concurrency junction east of Grant Park

IL 1 passes east of the community of Sollitt, the route crosses north into Will County. After the county line, IL 1 continues north and enters the village of Beecher. After the junction with Goodenow Road, IL 1 meets the southern terminus of the Bishop Ford Freeway (IL 394). At IL 394, IL 1 turns northwest along Dixie Highway into the village of Crete, where it becomes known as Main Street. Before leaving Crete, the route turns northwest and passes beneath the Union Pacific Railroad right-of-way at Union Avenue and becomes known as Chicago Road. IL 1 then crosses the Cook County line in the village of Steger before continuing on to South Chicago Heights and Chicago Heights proper. At the junction with 14th Street/Lincoln Highway, IL 1 meets US 30. The route continues northwest to the Woodrow Wilson Forest Preserve, where it follows the Route 1 Cutoff to South Halsted Street.^[3]

For the rest of its length, IL 1 follows South Halsted Street, soon reaching Holbrook and soon Glenwood. Passing through Thornton, the route reaches an interchange with Interstates 80 and 94. At the junction with West 159th Street in Harvey, IL 1 meets with US 6. The route soon turns northwest and crosses the Metra Electric Division railroad tracks before reaching IL 83 at Sibley Boulevard (147th Street). IL 1 crosses over the Little Calumet River twice, passing through Riverdale and Dolton between the two crossings. Continuing along South Halsted, IL 1 passes east of the West Pullman Metra station near 122nd Street. At 99th Street, IL 1 ends at an interchange with Interstate 57 (exit 357).

History

Illinois 1 was commissioned in 1918 as SBI Route 1. The original route had extended further along the northern end into Chicago along Vincennes Avenue and Michigan Avenue, and on the southern end from Norris City to Metropolis.

When U.S. Highway 45 was established from Norris City to Metropolis, Illinois 1 shifted east to Cave-In-Rock. Kentucky State Route 91 continues across the Ohio River.

In 1937, Illinois 1 was shifted southeast away from Albion to directly connect Mount Carmel and Grayville. Eventually, Illinois Route 15 and Illinois Route 130 replaced Illinois 1 to Albion.

In the 1950s, a freeway, then known as the Calumet Expressway, was constructed south from Chicago. This was designated Illinois 1, while the old highway along Halsted Street was signed Alternate Illinois Route 1. By 1964, Illinois 1 was restored to its old alignment, and Illinois Route 394 was applied to the expressway south of the portion designated as Interstate 94 (the I-94 portion now being known as the Bishop Ford Freeway). At this time, Illinois 1 was discontinued north of I–57.

Dixie Highway

Most of Route 1 north of Danville was part of the western division of the Dixie Highway, which goes through downstate Illinois and enters the Chicago area as it passes through Beecher. From here it follows the Vincennes Trail north and splits into the Bishop Ford Freeway (formerly the Calumet Expressway) and Chicago Road (one of the original roads into Chicago from the south).^{[citation needed]} The Dixie Highway follows Chicago Road through Crete (where it is known as Main Street), Steger and South Chicago Heights (where it shares a junction with Sauk Trail).

As Route 1 continues north, it has a junction with Lincoln Highway (US 30) in Chicago Heights. This is sometimes known as the "Crossroads of the Nation", because it is the intersection of two major auto trails.^[4] This intersection helped cities such as Chicago Heights thrive in its early days. Approximately two blocks after this intersection, Dixie Highway splits from Chicago Road and continues north through Flossmoor and Homewood. At the north end of Homewood's downtown, the road turns and goes under the Illinois Central Railroad tracks, which now carries both the Metra Electric Line and Amtrak trains. The road continues north through East Hazel Crest and past the Markham Rail Yards and under the Tri-State Tollway.

Past the tollway, the road enters Hazel Crest, Markham and then Harvey. As the road continues, creating a border between the towns of Dixmoor and Posen, its name changes to Western Avenue.

When the road enters Blue Island, it splits into two streets, (Western and Gregory), and realigns itself into one when it reaches Burr Oak Avenue. The road then enters the city of Chicago. Through Chicago, Western Avenue is a major boulevard, which continues north through the city to the town of Evanston (where it is named Asbury Street), which is where the Dixie Highway ends.^{[citation needed]}

Major intersections

County	Location	mi[2]	km	Destinations	Notes
Hardin	Cave in Rock	0.00	0.00	Cave-In-Rock Ferry
	Loves Corner	2.03	3.27	IL 146 west – Elizabethtown
Gallatin	​	21.55	34.68	IL 13
	​			Ridgway	former spur of IL 140; state maintained
Gallatin–White county line	​	33.39	53.74	IL 141 – New Haven, Evansville
White	​	37.88	60.96	US 45 – Norris City, Eldorado
	​			Norris City	former US 45 Byp. north; state maintained
	Carmi	50.52	81.30	IL 14 west / Lincoln Heritage Trail (Southern Branch) west – McLeansboro	South end of IL 14 / Lincoln Heritage Trail overlap
	Crossville	58.16	93.60	IL 14 east / Lincoln Heritage Trail (Southern Branch) east	North end of IL 14 / Lincoln Heritage Trail (Southern Branch) overlap; south end of Lincoln Heritage Trail (Eastern Branch) overlap
	Grayville	64.26	103.42	I-64 – St. Louis, Evansville	Exit 130 (I-64)
Edwards		67.13	108.04	IL 130 north – Albion
Wabash	Mount Carmel	83.03	133.62	IL 15 east (Walnut Street) – Princeton	South end of IL 15 overlap
		83.60	134.54	IL 15 west – Albion	North end of IL 15 overlap
Lawrence	​			St. Francisville	former IL 137; state maintained
	Lawrenceville	106.78	171.85	US 50 Bus. (State Street)
	​	107.47	172.96	US 50 – Vincennes, Olney	Interchange
Crawford	​			Flat Rock	former IL 136; state maintained
	Gordon	126.05	202.86	IL 33 – Robinson, Palestine, Airport
	Trimble			Robinson Road - Robinson	former IL 33; state maintained
	​			Hutsonville Road - Hutsonville, Sullivan, Ind.	former IL 135; state maintained; to IN 154
Clark	Marshall	153.06	246.33	Lincoln Heritage Trail (Eastern Branch) north (South 6th Street)	North end of Lincoln Heritage Trail overlap
		153.34	246.78	Historic National Road (Archer Avenue)	former US 40; state maintained (outside Marshall)
		154.25	248.24	US 40 – Casey, Terre Haute
		155.40	250.09	I-70 – Effingham, Terre Haute	Exit 147 (I-70)
Edgar	Paris	168.27	270.80	US 150 east / IL 16 west / IL 133 west (Jasper Street) – Charleston, Arcola, Terre Haute	South end of US 150 overlap
	Chrisman	181.36	291.87	US 36 – Decatur, Indianapolis
Vermilion	Georgetown			West Street - Indianola	state maintained (outside Georgetown)
				Mill Road - Cayuga	state maintained (outside Georgetown); to IN 234
	Tilton	203.01	326.71	14th Street	Interchange; state maintained (outside Tilton)
		203.23	327.07	I-74 – Champaign, Indianapolis	I-74 exit 215
	Danville	204.59	329.26	US 136 east / US 150 west (Main Street) – Urbana, Business District	North end of US 150 overlap; south end of US 136 overlap
	Moores Corner			Jamesburg Bismarck Road - Jamesburg, Bismarck	state maintained to Bismarck
	​	217.17	349.50	US 136 west / IL 119 east – Rantoul, Alvin	North end of US 136 overlap
	Hoopeston	228.36	367.51	IL 9 – Rankin, Lafayette
Iroquois	Watseka	250.47	403.09	US 24 east – Sheldon	South end of US 24 overlap
		253.14	407.39	US 24 west – Gilman	North end of US 24 overlap
	​	260.99	420.02	US 52 – Kankakee, Sheldon
Kankakee	​	277.51	446.61	IL 17 west – Kankakee	South end of IL 17 overlap
	Momence	282.89	455.27	IL 114 east – Indiana
	​	290.27	467.14	IL 17 east	North end of IL 17 overlap
Will	Crete	300.38	483.41	IL 394 north – Chicago
Cook	South Chicago Heights	306.14	492.68	Lincoln Highway east (Sauk Trail)	South end of Lincoln Highway overlap
	Chicago Heights	307.89	495.50	US 30 / Lincoln Highway west	North end of Lincoln Highway overlap
	East Hazel Crest	313.07	503.84	I-80 / I-294 (Tollway) – Iowa, Wisconsin, Indiana
	Harvey	314.61	506.32	US 6 (159th Street)
		316.13	508.76	IL 83 (Sibley Boulevard)
	Chicago	322.48	518.98	I-57 to I-94 (Dan Ryan Expressway)	Exit 357 (I-57); roadway continues as Halsted Street
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus

External links

Route map: Google

• Official State of Illinois Road Maps


• Illinois Highways Page: Routes 1-20


• Illinois Highway Ends: Illinois Route 1

References

Wikimedia Commons has media related to Illinois Route 1.