Highways and Highway Transportation

by George R. Chatburn

Harrison, J. L., “Color Schemes for Highway Signs,” Engineering and Contracting, Oct. 13, 1915, p. 280.

Isabella, N. M., “The Wisconsin Idea as Applied to Detours a Source of Satisfaction to Motorists,” Concrete Highway Magazine, April, 1922, Chicago.

Jenkins, Alfred, “A Motorized City,” National Automobile Chamber of Commerce.

Jessup, Elon, “The Motor Camping Book,” G. P. Putnam’s Sons, New York.

Lewis, Nelson P., “The Planning of the Modern City,” pp. 240-246, John Wiley & Sons.

“Omaha Union Stage Depot,” Bus Transportation, Vol. 1, p. 45.

Putnam, Nina Wilcox, “A Jitney Guide to the Santa Fé Trail,” Saturday Evening Post, June 10, 1922.

Halvorson, C. A. B., Jr. and Hussey, R. B., “Illumination of Highways,” Engineering and Contracting, Vol. LVI, pp. 535-536.

Underwood, W. E., “The Trend of Modern Practice in Street Lighting,” Engineering World, Vol. XVII, pp. 348-351.

Williar, Harry D., Jr., Articles on Road Signs, Public Roads, August, 1921, and Engineering and Contracting, October 5, 1921.