Opening of northern Indiana toll road this year will complete 830 mi, four state chain of limited access superhighway between Chicago and New York City; safety features of highway; no traffic signals and grade level crossings; access provisions; 154 highway grade separations.
Last link in America's dream road
Excavating Engr
Excavating Engineer ; 50 , n 7
1956
3 pages
Article (Journal)
English
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