Modern Crushed Stone and Gravel Surfacing

In his address at the Washington Convention of the National Sand and Gravel Association, on January 25, 1923, E. W. James, Chief of the Division of Design of the United States Bureau of Public Roads, stated that, of the roads constructed with the assistance of Federal Aid funds, 40.4% of the mileage was gravel surfaced and that such roads had absorbed approximately one-fourth of the Federal Aid funds expended to that date. States, counties, and townships construct independently, or without Federal assistance, several times the road mileage built with Federal aid. The subject, therefore, is of considerable importance to the Nation and to each individual community