Interstate 88 (west)

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Interstate 88
Primary route of the Interstate Highway System

Length:

140 mi (225 km)

Formed:

1988

West end:

Interstate 80 near Moline, IL

Major
junctions:

Interstate 39 in Rochelle, IL

Interstate 294 in Hinsdale, IL

East end:

Interstate 290 near Chicago, IL

Illinois state highway system
< ILL 84		ILL 89 >

Major cities Bolded cities are officially-designated control cities for signs
Rock Island, Illinois Moline, Illinois Sterling, Illinois Dixon, Illinois Rochelle, Illinois DeKalb, Illinois Aurora, Illinois Chicago

Interstate 88 (abbreviated I-88) is an interstate highway entirely within the state of Illinois. It runs from an intersection with Interstate 80 near Silvis, Illinois, near Moline to an intersection with Interstates 290 and 294 in Hillside, Illinois, near Chicago.

[edit] Route description

Prior to its designation as an Interstate Highway, the route was known as Illinois Route 5, and before that, Illinois 190.

The reason for I-88's original designation and continued existence as an Interstate has to do with a technicality in the old National Maximum Speed Law (NMSL). Originally passed in 1973, NMSL was amended in 1987 to permit 65-mph (105 km/h) speed limits on rural stretches of Interstate highways only. In spite of the fact that IL 5 was fully up to Interstate standards, it still had to carry a 55 mph (88 km/h) limit because of this wording in NMSL. The Illinois Department of Transportation (IDOT) and Illinois State Toll Highway Authority (ISTHA) petitioned the American Association of State Highway and Transportation Officials (AASHTO) to re-designate IL 5 as an Interstate, and in 1990, AASHTO approved the request and assigned the Interstate 88 numbering to the highway. NMSL would be completely repealed only five years later in 1995, but the I-88 shields remain up to this day.

In honor of the 40th U.S. president, Ronald Reagan, IDOT renamed the freeway portion "Ronald Reagan Memorial Freeway" upon his death in 2004. Reagan was a native of nearby Dixon. Similarly, ISTHA renamed the toll portion "Ronald Reagan Memorial Tollway." The tollway portion of I-88 was previously known as the "East West Tollway".

There is no direct off-ramp access to U.S. Route 52, Illinois Route 23, and Illinois Route 25. In addition, I-88 merges with Illinois Route 56 for a short distance. During the merge, Illinois 56 is the only tolled state route in Illinois.

As of 2007, I-88 has no spur routes. None are planned for the near future.

[edit] Exit list

This table is not yet complete. Interchange data from miles 0-44 from [1]. Illinois State Toll Highway Authority does not use exit numbers for their exits.

County	Location	Mile	#	Destinations	Notes
Rock Island	Silvis	0.0	1A-B	Interstate 80 — Des Moines, Iowa Illinois Routes 5 west/92 — Moline, Illinois, Rock Island, Illinois	I-80 East marked as "To Interstate 74 - Peoria, Illinois".^[1] Eastern terminus of Illinois 5. Illinois 92 continues west and multiplexes with I-88 eastbound.
	Silvis		2	Former IL 2
	Joslin		6	Illinois Route 92 East - Joslin, Illinois	Westbound Illinois 92 multiplexes with westbound Interstate 88 at this point; eastbound Illinois 92 continues to Joslin.
	Hillsdale		10	Hillsdale, Illinois, Port Byron, Illinois - Moline Road, 94th Avenue
Whiteside	Erie		18	Erie, Illinois, Albany, Illinois - Albany Road
	Lyndon		26	Illinois Route 78 - Morrison, Illinois, Prophetstown, Illinois
	Rock Falls		36	Rock Falls, Illinois, Sterling, Illinois - Como Road	Access to U.S. Route 30 on southwest side of Rock Falls.
			40	Illinois Route 40 - Rock Falls, Illinois, Sterling, Illinois
		44.0	44	U.S. Route 30 East - Joliet	Exit is marked for U.S. 30 East, but has access to U.S. 30 West as well. Joliet is approximately 90 miles (145 km) east on U.S. 30 at this point.
		44.0		Tolled portion of Interstate 88 begins
Lee	Dixon	54.5		Illinois Route 26 - Dixon, Illinois	Tolls on westbound entrance, eastbound exit ramps. Provides access to U.S. Route 52.
Lee	Dixon	56.5		Dixon Toll Plaza
Ogle	Rochelle	76.0		Illinois Route 251 - Rochelle, Illinois
Ogle	Rochelle	78.5		Interstate 39 - Rockford, Illinois, LaSalle/Peru, Illinois
DeKalb	DeKalb	88.5		DeKalb Toll Plaza
		91.5		Annie Glidden Road	Tolls on eastbound entrance, westbound exit ramps. Provides access to Illinois Route 23, Illinois Route 38, Northern Illinois University
		93		DeKalb Oasis	Located on south side of highway.
		94		Peace Road	Full interchange. Tolls on westbound exit, eastbound entrance ramps. Also provides access to Illinois Route 23, Illinois Route 38.
Kane	Sugar Grove	109.5		Illinois Route 47	Westbound entrance, eastbound exit.
	Sugar Grove	113.5		U.S. Route 30 West, Illinois Route 56 West	Westbound exit, eastbound entrance. Illinois Route 56 East multiplexes with Interstate 88 to Illinois Route 31.
	North Aurora	115		Orchard Road	Full interchange. Tolls on westbound entrance, eastbound exit ramps.
		117		Illinois Route 31 - Aurora	Full interchange. Tolls on westbound entrance, eastbound exit ramps. Access to Illinois Route 25 via this exit. Illinois Route 56 multiplexes with I-88 westbound, and multiplexes with Illinois 31 northbound.
		117.25		Fox River
		117.5		Aurora Toll Plaza
	Aurora	119		Farnsworth Avenue	Full cloverleaf interchange. Tolls on westbound exit, eastbound entrance.
DuPage	Naperville	123.5		Illinois Route 59	Full interchange.
	Warrenville	125		Winfield Road	Tolls on westbound entrance, eastbound exit ramps.
	Naperville	128		Naperville Road
	Lisle	130		Illinois Route 53	Exits onto Route 53 available from westbound side only. Access from Route 53 to eastbound tollway only.
	Downers Grove	131		Interstate 355 South	Provides access to U.S. Route 34 - Ogden Avenue. Eastbound exit only.
	Downers Grove	134.5		Interstate 355	Eastbound exit to northbound Interstate 355 only. Westbound exits to both directions of Interstate 355 are here. Westbound ramp to northbound Interstate 355 leads to Illinois Route 56 - Butterfield Road collector-distributor ramp.
	Oak Brook	135.5		Meyers Road Toll Plaza (eastbound only)
		136		Midwest Road	No westbound onramp or offramp access.
		137		Illinois Route 83 South - Kingery Highway.	Eastbound onramps from both directions of Illinois 83. Westbound offramp to Illinois 83 southbound only. No eastbound offramps.
		138		York Road Toll Plaza (westbound only)
	Hillside	139		Interstate 294 South (Tri-State Tollway) - Indiana	Major junction. Northbound Interstate 294 traffic joins with westbound Interstate 88 traffic at this point.
Cook		140.5		Interstate 294 (Tri-State Tollway) - Indiana, Wisconsin Interstate 290 West (Eisenhower Expressway) - Rockford, Illinois Illinois Route 38 west - Roosevelt Road	Eastbound exit to northbound Interstate 294 and collector-distributor to westbound Interstate 290. Westbound exits to southbound Interstate 294 and westbound Illinois 38. Eastbound entrance ramp from eastbound Illinois 38 is also here, but this ramp is closed during peak hours.
Cook		141.0		Interstate 290 East (Eisenhower Expressway) - Chicago U.S. Routes 12/20/45 - Mannheim Road	Eastern terminus of Interstate 88. Eastbound exits to collector-distributor ramp for U.S. 12/20/45. Trucks on local lanes only.

[edit] External links

Illinois Highway Ends: Interstate 88
Western Interstate 88 at Larry's Phat Page

edit Main Interstate Highways (multiples of 5 in pink)
4	5	8	10	12	15	16	17	19	20	22	24	25	26	27	29	30
35	37	39	40	43	44	45	49	55	57	59	64	65	66	66 (W)		68
69	70	71	72	73	74	75	76 (W)		76 (E)		77	78	79	80	81	82
83	84 (W)		84 (E)		85	86 (W)		86 (E)		87	88 (W)		88 (E)		89	90
91	93	94	95	96	97	99	(238)		H-1		H-2		H-3
Unsigned			A-1		A-2		A-3		A-4		PRI-1		PRI-2		PRI-3
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