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Diagram No. 1. Thirty-third Street improvement. Profile of Liberty Avenue

2. Twenty-eighth Street Grade Crossings. -- Near Twenty-eighth Street the tracks of the Allegheny Valley Railroad cross both Liberty and Penn Avenues at grade. These grade crossings should be eliminated, the railroad tracks being raised to go over both streets.

3. Thirty-third Street Improvement. -- At Thirty-third Street on Liberty Avenue there is a railroad grade crossing. The street should be lifted over the tracks and the filling extended west to Thirty-first Street and east to Thirty-seventh Street; in this way the gradient of the steep portion of the Lawrenceville hill can be reduced from 5.6 per cent to 4 per cent, which is the present gradient on the rest of the hill. (Diagram No. 1.) An easy connection should be made with the Penn Avenue artery at about Thirty-first Street. (Diagram No. 2.) With these changes the Penn-Liberty line would provide a thoroughfare from the down town district to the East End with a 4 per cent maximum gradient, which is easier than

Diagram No. 2. Penn-Liberty connection at Thirty-first Street

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Last modified on 22-Dec 1999
Design format: copyright 1997-1999 Bruce S. Cridlebaugh
Original document: Frederick Law Olmsted, 1910