Quote:
Originally Posted by Kippis
SR 390 is the designation for the existing Elgin-O'Hare tollway and the in-progress extension along Thorndale Ave. to York Rd., which will be its eastern terminus on the west side of O'Hare.
Interstate 490 will be the designation of the O'Hare West Bypass from the Jane Addams all the way down to the Tri-State.
Obviously it remains to be seen if the southern leg of the bypass will be built at all, since the Canadian Pacific RR is pitching a bitch about air/land rights for the structure that would inevitably be built above the existing rail yards south of Irving Park Rd.
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It's not quite that simple. 490 would go under the yard on a short underpass (at left), but it would also run at-grade for about a mile on land north of Green St. This would basically take out all of CP's staging area to the south of the yard, outlined in magenta. I don't think they can raise the highway up over the staging area because of the Runway Protection Zone for 10R-28L, and CP doesn't want to give up their staging area. Probably they're just holding out so the government will pay the cost of setting up another staging area somewhere else.
