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Interstate 90
*** Shopping-Tip: Interstate 90
{{routeboxint|article_route=90|route_type=reg|type=Main|direction_a=West|direction_b=East|
junction=
Image:Interstate 5.svg 20px Interstate 5 I-5 in Seattle, WA
Image:I-15.svg 20px Interstate 15 I-15 near
Butte, MTImage:I-25.svg 20px Interstate 25 I-25 near
Buffalo, Wyoming Buffalo, WYImage:I-35.svg 20px Interstate 35 I-35 near
Albert Lea, MNImage:I-55.svg 20px Interstate 55 I-55 in
Chicago, Illinois Chicago, ILImage:I-65.svg 20px Interstate 65 I-65 in
Gary, INImage:I-75.svg 20px Interstate 75 I-75 near
Toledo, OHImage:I-95.svg 20px I-95 near
Boston, MA|
terminus_a=
Image:WA-519.svg 20px Washington State Route 519 SR 519 in
Seattle, WA|
terminus_b=
Image:MA Route 1A.svg 20px Route 1A (Massachusetts) Route 1A in Boston, MA|
length_mi=3020|length_km=4861|year_established=1957|shield_ext=}}
'''Interstate 90''' (abbreviated '''I-90''') is the longest
interstate highway in the
United States at over 3,000 miles (4,800 kilometers). It is the northernmost east-to-west, coast-to-coast interstate. Its western terminus is in
Seattle, Washington at
Edgar Martinez Drive S. and 4th Avenue S. next to
Safeco Field, and its eastern terminus is in
Boston, Massachusetts at
Logan International Airport. It crosses the
Continental Divide just east of
Butte, Montana.
Length
Image:Interstate90_map.png thumb|275px|right|Location of Interstate 90
{| cellpadding="2" cellspacing="2" style="margin: 0 0 1em 1em; border:3px solid #87CEEB;"
|-
|'''Miles'''||'''km'''||'''state'''
|-
!bgcolor="#87CEEB" colspan="4"|
|-
| 296.92 || 477.85||
Washington
|-
| 73.55 || 118.37 ||
Idaho
|-
| 551.68 || 887.84 ||
Montana
|-
| 208.8 || 336.03 ||
Wyoming
|-
| 412.76 || 664.27||
South Dakota
|-
| 275.7 || 443.70||
Minnesota
|-
| 108.61 || 174.79||
Wisconsin
|-
| 123.89 || 199.38||
Illinois
|-
| 156.28 || 251.51||
Indiana
|-
| 244.75 ||393.89 ||
Ohio
|-
| 46.4 ||74.67 ||
Pennsylvania
|-
| 385.48 ||620.37 ||
New York
|-
| 135.72 ||218.42 ||
Massachusetts
|-
!bgcolor="#87CEEB" colspan="3"|
|-
|3,020.54 ||4861.09 ||Total [http://www.fhwa.dot.gov/reports/routefinder/table1.htm]
|}
Major cities
Bolded cities are officially-designated
control cities for signs.
*'''
Seattle, Washington'''
*'''
Ellensburg, Washington'''
*'''
Spokane, Washington'''
*'''
Coeur d'Alene, Idaho'''
*'''
Missoula, Montana'''
*'''
Butte, Montana'''
*'''
Billings, Montana'''
*'''
Sheridan, Wyoming'''
*'''
Gillette, Wyoming'''
*'''
Rapid City, South Dakota'''
*'''
Sioux Falls, South Dakota'''
*'''
Albert Lea, Minnesota'''
*
Austin, Minnesota
*'''
La Crosse, Wisconsin'''
*
Tomah, Wisconsin
*'''
Wisconsin Dells, Wisconsin'''
*'''
Madison, Wisconsin'''
*'''
Janesville, Wisconsin'''
*
Rockford, Illinois
*'''
Chicago, Illinois'''
*
Gary, Indiana
*'''
Toledo, Ohio'''
*'''
Cleveland, Ohio'''
*'''
Erie, Pennsylvania'''
*'''
Buffalo, New York'''
*
Rochester, New York (bypassed)
*
Syracuse, New York
*'''
Albany, New York'''
*
Springfield, Massachusetts
*
Worcester, Massachusetts
*'''
Boston, Massachusetts'''
Intersections with other interstates
*
Interstate 5 in
Seattle, Washington
*
Interstate 82 in
Ellensburg, Washington
*
Interstate 15 in
Butte, Montana; joined for 7.65 miles (12.31 km)
*
Interstate 94 in
Billings, Montana
*
Interstate 25 in
Buffalo, Wyoming
*
Interstate 29 in
Sioux Falls, South Dakota
*
Interstate 35 in
Albert Lea, Minnesota
*
Interstate 94 in
Tomah (town), Wisconsin Tomah, Wisconsin; joined for 91.76 miles (147.67 km) until
Madison, Wisconsin.
*
Interstate 39 in
Portage, Wisconsin; joined for about 95 miles (152 km) until
Rockford, Illinois.
*
Interstate 43 in
Beloit, Wisconsin
*
Interstate 94 in
Chicago, Illinois; joined for 16.71 miles (26.89 km)
*
Interstate 55 in
Chicago, Illinois
*
Interstate 65 in
Gary, Indiana
*
Interstate 94 in
Lake Station, Indiana
*
Interstate 80 in
Lake Station, Indiana; joined for 278.40 miles (448.04 km) until
Elyria, Ohio.
*
Interstate 69 in
Fremont, Indiana
*
Interstate 75 in
Toledo, Ohio
*
Interstate 71 in
Cleveland, Ohio
*
Interstate 77 in
Cleveland, Ohio
*
Interstate 79 in
Erie, Pennsylvania
*
Interstate 86 (east) Interstate 86 in
Erie, Pennsylvania
*
Interstate 81 in
Syracuse, New York
*
Interstate 88 (east) Interstate 88 in
Rotterdam, New York
*
Interstate 87 in
Albany, New York
*
Interstate 91 in
West Springfield, Massachusetts
*
Interstate 84 (east) Interstate 84 in
Sturbridge, Massachusetts
*
Interstate 95 in
Weston, Massachusetts '''([http://maps.google.com/maps?q=Weston,+MA&ll=42.337103,-71.261959&spn=0.028570,0.045010&hl=en Map])'''
*
Interstate 93 in
Boston, Massachusetts '''([http://maps.google.com/maps?q=Boston,+MA&ll=42.343574,-71.065407&spn=0.114266,0.180038&hl=en Map])'''
Image:I-90_and_I-5_cloverleaf_seattle_washington.jpg thumb|right|250px|[[Interstate 5 and
Interstate 90 intersecting in
Seattle, Washington.]]
Spur routes
*
Rapid City, South Dakota -
Interstate 190 (South Dakota) I-190
*
Chicago, Illinois -
Interstate 190 (Illinois) I-190 (provides a direct route to
O'Hare International Airport),
Interstate 290 (Illinois) I-290
*
Cleveland, Ohio -
Interstate 490 (Ohio) I-490
*
Buffalo, New York -
Interstate 190 (New York) I-190,
Interstate 290 (New York) I-290,
Interstate_990 I-990
*
Rochester, Monroe County, New York Rochester, New York -
Interstate_390 I-390,
Interstate 490 (New York) I-490,
Interstate 590 I-590 (not directly connected)
*
Syracuse, New York -
Interstate_690 I-690
*
Utica, New York -
Interstate_790 I-790
*
Schenectady, New York -
Interstate 890 I-890
*Spur to
Marlborough, Massachusetts -
Interstate 290 (Massachusetts) I-290
*Spur to
Leominster, Massachusetts -
Interstate 190 (Massachusetts) I-190
It is arguable that
Interstate 280 (Ohio) is as much a spur of Interstate 90 as it is of Interstate 80 because Interstate 80 and 90 designate the same highway (the Ohio Turnpike) in northwestern Ohio. It links to
Toledo, Ohio and, with
Interstate 75 to
Detroit, Michigan.
{{3di|90}}
Notes
Image:I90BelOasisAug2004.jpg thumbnail|left|250px|I-90 at the Belvedere, Illinois Oasis
In 2003, the
Seattle, Washington Seattle terminus was re-engineered to better accommodate traffic from the two nearby sports stadiums. I-90 westbound still ends at its previous location next to
Qwest Field, but eastbound begins about 1/4 mile (0.4 km) south at Edgar Martinez Dr. near the roof shed of
Safeco Field at an interchange with 4th Avenue S.
I-90 terminated at
Interstate 93 I-93 in
Boston, Massachusetts Boston until it was connected through to the
Ted Williams Tunnel in
January 2003 as part of the
Big Dig, extending I-90 to Boston's
Logan International Airport, an additional 1.3 miles (2.1 km). A recent discovery of a covered "End I-90" sign hints that I-90 may be extended slightly further north along part of the Route 1A freeway.
I-90 incorporates two of the longest
floating bridges in the world, the
Lacey V. Murrow Memorial Bridge and the
Homer M. Hadley Memorial Bridge, which cross
Lake Washington from
Seattle, Washington Seattle to
Bellevue, Washington Bellevue via
Mercer Island, Washington. They are the second and fifth longest such bridges, respectively.
Until
1995 in
Montana near the Idaho border, I-90 was not a divided highway for a few stretches, having only a narrow paved
median (highway) median. From
1995 until
1999, the speed limit in Montana was "reasonable and prudent"; it is now 75 mph (120 km/h).
From the
Wisconsin/
Illinois border east, the majority of I-90 is tolled, along the following
toll roads (several of which predate the Interstate system):
*
Northwest Tollway
*
Chicago Skyway (currently signed as "TO I-90")
*
Indiana Toll Road
*
Ohio Turnpike
*
New York State Thruway
*
Massachusetts Turnpike, including the
Ted Williams Tunnel
(It is free through northeastern
Ohio and
Pennsylvania, and through brief sections near
Buffalo, New York Buffalo and
Albany, New York.)
Between
LaPorte, Indiana and
Toledo, Ohio, with Interstate 80, it is nowhere more than 10 miles (16 km) from the
Michigan state line, though it never enters the state.
One of the most peculiar and hazardous stretches of Interstate 90 is the section of highway passing through downtown
Cleveland, Ohio, known locally as
Dead Man's Curve. Here, the road takes a nearly 90-degree turn ([http://maps.google.com/maps?q=Cleveland,+OH&ll=41.517414,-81.674938&spn=0.010418,0.014098&t=k&hl=en Google Maps satellite view]). While there are plenty of large signs and flashing lights alerting motorists to this turn, there have still been a large number of accidents due to inattentive motorists. There are plans to realign the freeway along a shallower curve within the next decade, as part of a larger project to improve the freeway system in Cleveland. [http://www.innerbelt.org/]
Almost all of the
New York portion of the road is a
toll road, comprising the east-west portion of the
New York State Thruway mainline and part of the Berkshire Connector, operated by the New York State Thruway Authority. It was originally constructed as part of the Thruway project in the middle
1950s and received its current designation as Interstate 90 in
1958. "I-90" (operated by NYSDOT) carries Interstate 90 between the two; however, the Berkshire Section directly connects to the mainline (at Thruway interchange 21A) 6.5 miles (10.5 km) west of the point where I-90 joins it (at Thruway interchange B1).
The
mileposts and
exit numbers on the
New York State Thruway mainline originate at the
New York City line and increase northward along
Interstate 87 and westward along '''Interstate 90'''. As a result,
mileposts and
exit numbers on the I-90 section of the
New York State Thruway Thruway mainline increase from east to west, contrary to modern practices where numbers increase from the west or south.
Image:i90metric.gif thumbnail|I-90 metric sign for NY Thruway Exit 35 There used to be two
SI metric-only signs on the westbound
New York State Thruway. They were around
Syracuse, New York Syracuse, which is about 100 miles (161 km) from
Canada. The NYS Thruway Authority decided to test metric signage, which may have included (briefly) an 88 km/h speed limit sign, on the Thruway. There was also a sign displaying the distance to the
Interstate 81 interchange in
kilometers in
Dewitt, New York Dewitt.
I-90 is the only Interstate having a complete set of nine
spur routes (190, 290, 390...890, 990) within one state, which is in
New York. (Interstate 80 has a complete set in different states.) In addition,
I-990, a short spur route near
Buffalo, New York not directly connected to I-90, is the highest number given to an Interstate.
The
Massachusetts stretch, also a toll road built in the mid-1950s, is known as the
Massachusetts Turnpike.
To add to the quirks about the longest interstate, it also has the longest distance twinned with another interstate (
interstate 80 I-80 in
Ohio and
Indiana,
interstate 94 I-94 and
interstate 39 I-39 in
Illinois and
Wisconsin,
interstate 15 I-15 in
Montana) in the most states (Ohio, Indiana, Illinois, Wisconsin, and Montana). It also intersects the same interstate six times (I-94 in
Lake Station, Indiana,
Chicago, Illinois Chicago (southside), Chicago (northside),
Madison, Wisconsin,
Tomah, Wisconsin, and
Billings, Montana). Additionally, it is part of the longest interstate triplex in the country, as it is joined with
I-39 and I-94 from
Portage, Wisconsin to
Madison, Wisconsin.
There is some dispute as to whether the
Chicago Skyway is an official part of the
Interstate highway system. The city of Chicago replaced many I-90 shields to "TO I-90" when it determined that the city may have never applied for Interstate designation for the skyway. However, the Federal Highway Administration considers the Skyway as being part of I-90, and the Illinois DOT has always and continues to report it as such[http://www.tollroadsnews.com/cgi-bin/a.cgi/XeXDlOhBEdmcEIJ61nsxIA]. See
List of gaps in Interstate Highways for more information.
External links
-
Interstate lengths from the
United States Department of Transportation
{{interstates}}
{{start srbox}}
{{srbox piece 2|state=Washington|type=State Route|list=List of Washington State Routes|before=I-82|after=92|beforeother=|afterother=}}
{{srbox piece|state=Massachusetts|type=Route|list=List of numbered routes in Massachusetts|before=88|beforeother=|after=I-91|afterother=}}
{{end box}}
Category:Interstate Highway System 90
Category:Interstate Highways in Idaho 90
Category:Interstate Highways in Illinois 90
Category:Interstate Highways in Indiana 90
Category:Interstate Highways in Massachusetts 90
Category:Interstate Highways in Minnesota 90
Category:Interstate Highways in Montana 90
Category:Interstate Highways in New York 90
Category:Interstate Highways in Ohio 90
Category:Interstate Highways in Pennsylvania 90
Category:Interstate Highways in South Dakota 90
Category:Interstate Highways in Washington 90
Category:Interstate Highways in Wisconsin 90
Category:Interstate Highways in Wyoming 90
Category:New York State Thruway Authority
bg:МеждущатÑ?ка магиÑ?трала 90
fr:Interstate 90
*** Shopping-Tip: Interstate 90
