BRIDGES AND
TUNNELS OF
ALLEGHENY COUNTY,
PENNSYLVANIA
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Frederick Law
Olmsted
report to the
Pittsburgh Civic Commission
"Pittsburgh:
Main Thoroughfares and The
Down Town District"
1910
00 Cover Page
00 Contents
04 Parks and
Recreation
Facilities
06 Index
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PART II: Main Thoroughfares Pittsburgh: Main Thoroughfares and The Down Town District Frederick Law Olmsted report to The Pittsburgh Civic Commission, 1910
fare connections on reasonable gradients to all available land south of Mt. Washington and Allentown and east of Little Sawmill Run. The more important thoroughfare extensions from the tunnel are noted below, Sections 72 to 75 inclusive.
A plan showing the thoroughfare extensions from the proposed South Hills tunnel. Figures refer to the descriptive paragraphs in the text 72. (a) Washington Avenue Improvement. -- Washington Avenue forms too steep a line up to the tunnel from the valley thoroughfares -- the West Liberty Road and the Sawmill Run Road proposed above (Section 71). A reasonable gradient can be secured by raising the grade of the West Liberty Road north from the West Side Belt railroad bridge to Kaiser Avenue, thence running a bridge north across the valley, then climbing gradually northward along the hillside and joining Washington Avenue just below the Castle Shannon railroad bridge. Above this point Washington Avenue should be regraded by cutting at the top of the steep portion, thus getting an easy gradient to the new tunnel. (b) Southern Avenue Connection. -- From a point just below
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