Harper’s Weekly, Accounts and pictures of early railway accidents, years 1840-1860.

Held, L. A., Adjuster for the American Railway Express Company, Express Messenger, July, 1922.

Williar, Harry D., Jr., “Maryland Road Accident Map.” Public Roads, September, 1921.

FOOTNOTES

[201] “Facts and figures of the Automobile Industry,” 1922, published by the National Automobile Chamber of Commerce, gives the following table under the heading “Ratio of Accidents to Traffic Declines”:

YearNumber
of Auto
Deaths
per Car
Total
Number
Auto[202]
Deaths
Registration
of Cars
Number
of Cars
per 1000
Population
Auto
Deaths
per 1000
Population
1917.0019  9,184  4,983,34048.0887
1918.0016  9,672 6,146,61759.0919
1919.0013  9,827 7,558,84871.0936
1920.0012311,358 9,211,29587.1040
1921.0011912,500[203]10,448,63299.1100

[202] Estimated of entire U. S. by National Workmen’s Compensation Service Bureau applying Census Bureau for registration area to grand total.

[203] Estimated from incomplete figures. Later statistics of the U. S. Census Bureau gives automobile accidents in 1921, 9103; in 1922, 10,168.

[204] Harry D. Williar, Jr., Assistant Chief Engineer, in Public Roads, September, 1921.

[205] Bulletin issued by the American Railway Association as a part of the “Cross Crossings Cautiously” campaign, June to September, inclusive, 1922.