Interstate 90

How long is I-90?

I-90 is huge!! It is the largest interstate in the United States and stretches from coast to coast, at a whopping 3,020 miles of pavement.

Where does I-90 end?

The eastern end of I-90 terminates in East Boston right after it crosses the Boston Harbor, where it becomes Highway 1A. The western end of the massive interstate is its junction to Interstate 5, just southeast of downtown Seattle. It truly is a coast-to-coast interstate!

Map of I-90

Attractions near I-90

With so much road, there are a tremendous number of things to see and do close by if you find yourself on this northern US corridor. There are simply too many to mention, so here are a few highlights:

  • New England Aquarium
    Boston, MA
  • Boston Tea Party Ships & Museum
    Boston, MA
  • Freedom Trail
    Boston, MA
  • New York State Museum
    Albany, NY
  • Milton J. Rubenstein Museum of Science and Technology
    Syracuse, NY
  • The Strong Museum
    Rochester, NY
  • Buffalo Naval Park & Waterfront
    Buffalo, NY
  • Niagara Falls
    Niagara Falls, NY
  • Rock and Roll Hall of Fame
    Cleveland, OH
  • Cleveland Museum of Art
    Cleveland, OH
  • Art Institute of Chicago
    Chicago, IL
  • Wisconsin Dells
    Wisconsin Dells, WI
  • Falls Park
    Sioux Falls, SD
  • Mount Rushmore
    Rapid City, SD
  • Yellowstone National Park
    Bozeman, MT
  • Chihuly Garden and Glass
    Seattle, WA

When was I-90 started and completed?

Construction began in 1956 and ended in 1993. I-90 helped merge several routes including The Ohio Turnpike and Chicago Skyway.

States I-90 travels through

Did you know that I-90 is not only the longest interstate, but also the most northerly of the major east-to-west interstates? It runs through many of the United States’ northern states, a number of which border Canada. Here are the states from east to west:

  • Massachusetts
  • New York
  • Ohio
  • Indiana
  • Illinois
  • Wisconsin
  • Minnesota
  • South Dakota
  • Wyoming
  • Montana
  • Idaho
  • Washington

I-90 Major Cities

The interstate passes through a large number of major cities as it makes its way along the rolling hills of the Alleghenies and the Great Lakes toward the Rocky Mountains and the Pacific Northwest.

If you should find yourself on I-90 in the dead of winter, there will surely be opportunities for a warm stay and a hot cup of coffee in each of them. Below is a list:

  • Boston, Massachusetts
  • Albany, New York
  • Syracuse, New York
  • Rochester, New York
  • Buffalo, New York
  • Cleveland, Ohio
  • Toledo, Ohio
  • Chicago, Illinois
  • Madison, Wisconsin
  • Rochester, Minnesota
  • Sioux Falls, South Dakota
  • Billings, Montana
  • Spokane, Washington
  • Seattle, Washington

Major Connections & Interchanges

  • Boston, MA
    I-93 S to Plymouth, MA and Cape Cod, MA via Hwy 3
    I-93 N to Concord, NH
    I-95 N to Portland, ME
    I-95 S to New York, NY
  • Springfield, MA
    I-91 N to Sherbrooke, Canada
    I-91 S to I-95
  • Albany, NY
    I-87 N to Montreal, Canada
    I-87 S to New York, NY
  • Syracuse, NY
    I-81 S to Philadelphia, PA
  • Erie, PA
    I-79 S to Pittsburgh, PA
  • Clevleand, OH
    I-77 S to Charleston, WV
    I-71 S to Columbus, OH
  • Toledo, OH
    I-75 N to Detroit, MI
    I-75 S to Cincinatti, OH
  • Chicago, IL
    I-55 S to St Louis, MO
    I-94 W to Milwaukee, WI
    I-94 E to Lansing, MI
    I-65 S to Indianapolis
  • Rockford, IL
    I-39 S to Bloomington, IL
  • Madison, WI
    I-94 W to Madison, WI
  • Albert Lea, MN
    I-35 N to Minneapolis, MN
    I-35 S to Kansas City, MO
  • Sioux Fall, SD
    I-29 N to Fargo, ND
    I-29 S to Omaha, NE
  • Buffalo, WY
    I-25 S to Cheyenne, WY
  • Billings, MT
    I-94 W to Bismarck, ND
  • Butte, MT
    I-15 N to Helena, MT
    I-15 S to Idaho Falls, ID
  • Seattle, WA
    I-5 N to Vancouver, Canada
    I-5 S to Portland, OR