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
would be at Bates Run. Here a street should be run up the east side of the valley, not far from the present location of Romeo Street, to the intersection of Wilmot and Bates Streets, thus reaching the Oakland District. 16. Greenfield Avenue Connection. -- On the southeast side of Four Mile Run the new thoroughfare will pass over Greenfield Avenue. But a connection should be made therewith by running a practically level street, from about the junction point of Sylvan Avenue and the new thoroughfare, northeast along the hillside adjacent to Greenfield Avenue until it meets the Greenfield Avenue grade. 17. Greenfield and Squirrel Hill Extension. -- From this point on Greenfield Avenue a new street should be built running to the northeast. It would cross the first little ravine on a viaduct, thence follow the south bank of the Four Mile Run valley, climbing at a uniform gradient, and join Beechwood Boulevard at the southern end of the bridge into Schenley Park. This will furnish a direct connection from the new hillside thoroughfare to the eastern portion of the Greenfield District and to Squirrel Hill; the maximum gradient will be only about 3-1/2 per cent instead of about 7 per cent as at present on Greenfield Avenue. This new street could be extended, from the point where it joins the boulevard, underneath the Greenfield Avenue viaduct, along the side of the valley to the south and up to the higher portions of the Greenfield District. The gradient of such a street need not exceed 5 per cent. 18. Hazelwood Grade Crossing. -- Although the construction of the hillside thoroughfare (Section 14 above) does away with the necessity for widening Second Avenue east of the Tenth Street bridge, Second Avenue is still an important main line, and all feasible improvements should be made thereon. One of these is the elimination of the grade crossing at Hazelwood, and here Second Avenue should probably be carried under the tracks. 19. Glenwood Bridge. -- The Glenwood bridge becomes a most important link in the thoroughfare system; it connects Second Avenue and the proposed hillside line at one end, with Eighth Avenue in West Homestead and with the mouth of Streets Run at the other. Eighth Avenue leads up the Monongahela to Homestead, Munhall, Rankin, Braddock, Bessemer, Duquesne and
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