SELECTED REFERENCES
“American Civil Engineers’ Pocket-Book,” Sec. 15, Art. 4, John Wiley & Sons, New York.
“American Highway Engineers’ Handbook,” p. 1360, John Wiley & Sons, New York.
American Society of Civil Engineers, Proceedings, 1918, p. 2327.
Anderson, Andrew P., “Modern Road Building and Maintenance.” Hercules Powder Co., Chicago.
Automotive Industries, “The Motor Bus Field as a Market for Trucks,” Vol. XLV, pp. 627-628, Sept. 29, 1921; “Weight of Trucks,” May 18, 1922.
Blanchard and Drowne, “Textbook of Highway Engineering,” Chap. II, John Wiley & Sons, New York.
Bullard, General Robert Lee, “The Motor Truck’s Importance on the Battle Front of France,” National Automobile Chamber of Commerce, New York.
Chatburn, George R., “Highway Engineering—Rural Roads and Pavements,” pp. 22-28; John Wiley & Sons, New York.
Collins, J. A., “Transportation Surveys for Rural Express Routes,” Good Roads, March 17, 1919.
Cornell Agricultural College Bulletin No. 205; Ithaca, New York.
Crissey, Forrest, “Our New Transportation System,” Saturday Evening Post, December 16, 1922, p. 14.
Crosby, W. W., “The Scientific Selection of Pavements,” Municipal Journal, May 29, 1913.
Dalton, James C., “Highways Must Be Made Self-supporting,” Automotive Industries, May 25, 1922.
Good Roads.—“Benefits of a National Highway System,” A committee report of the American Road Builders Association, Jan. 19, 1919.
Haydock, Winters, “The Pittsburgh Traffic Count,” Proceedings of the Engineering Society of Western Pennsylvania, Vol. XXVII, pp. 477-513.
Hirst, A. R., “Laying out Wisconsin Trunk Line Highways,” Good Roads.
Horine, M. C., “Economics of Motor Transport,” Journal of the Society of Automotive Engineers, May, 1922.
James, E. W., “Distribution of Traffic on a Rectangular System,” Engineering Record, Vol. LXXIV, p. 439.
Johnson, A. N., “The Traffic Census,” Public Roads, Dec. 1920, Appendix; also p. 16.
“Traffic Census and its Use in Deciding Road Width,” Public Roads, July, 1921, p. 7.
Jadwin, Colonel Edgar, “Relation of the War Department to Improved Highways.” Bulletin No. 25 of the Texas Engineering Experiment Station, Agricultural and Mechanical College of Texas, May 1, 1922, p. 40.
MacDonald, “Classification and Uses of Highways,” Engineering News-Record, Vol. LXXXIII, pp. 984-985, 635.
Massachusetts Highway Commission Report, 1912.
Simonds, Frank H., “History of the World War,” Vol. I, p. 118, Vol. V, p. 115. Doubleday, Page & Company, New York.
New Jersey State Highway Commission, Committee Report on Traffic Census—Engineering News-Record, Vol. LXXXVI, p. 338.
Taylor, Colonel B., “Similarity of Military and Commercial Motor Transportation,” National Automobile Chamber of Commerce, New York.
United States Bureau of Public Roads, “A Study of the California Highway System,” Public Roads, pp. 124, 136-138, 196-197, 200-209.
United States Census Reports.
United States Department of Agriculture, Bureau of Statistics Bulletin 49. Bureau of Forestry Bulletin.