[5] English street cars are narrower than American cars.

[6] Dr. Stübben's "Der Stadtebau," pp. 69 and 622.

[7] "An Act.—Defining the line of Chestnut Street in the City of Philadelphia. Section 1. Be it enacted by the Senate and House of Representatives of the Commonwealth of Pennsylvania in General Assembly met, and it is thereby enacted by the authority of the same, That the south line of Chestnut Street, between the rivers Delaware and Schuylkill, shall be at the distance of (539) five hundred and thirty-nine feet southward of the south side of Market Street: Provided, That this act shall not interfere with any buildings now erected on the south side of Chestnut Street. Approved the twenty-eighth day of April, Anno Domini 1870.

"An Ordinance.—To provide for the widening of Chestnut Street on the City Plan: Section 1. The Select and Common Council of the city of Philadelphia do ordain that the Department of Surveys be and is hereby authorized to revise the City plan so as to make Chestnut Street from the Delaware River to the Schuylkill River of the width of sixty (60) feet, widening equally on both sides from the old center line. Section 2. After confirmation and establishment of said lines it shall not be lawful for any owner or builder to erect any new building or to rebuild or alter the front of any building now erected, without making it recede so as to conform to the lines established for a width of sixty (60) feet. Approved the thirty-first day of March, A. D. 1884.

Samuel G. King, Mayor of Philadelphia."

[8] Act of December 20, 1871, Pamphlet Laws of 1872, p. 1390; and Act of May 16, 1891.

[9] Public Statutes, Sec. 2261 m.

[10] Methods of widening are fully discussed on pages 37 to 42.

[11] Map at the end of Part II.

[12] See Part V, Special Report on the Allegheny River Bridges.

[13] See Part V, Special Report on the Allegheny River Bridges.

[14] See Part IV Section 1, page 117.

[15] This improvement is provided for in the current bond issue.

[16] See Part IV, Section 15, page 121.

[17] Part IV, Section 8, page 119.

[18] This improvement is provided for in the current bond issue.

[19] Part IV, Section 7, page 119.

[20] Part IV, Section 7, page 119.

[21] Improvement to this point is provided in the current bond issue.