[Based on article, Fatal accidents on completed sections of interstate highway system, 1968, by Harold R. Hosea, in Oct. 1969 issue of Public roads, and also supplements thereto, in Dec. 1909 and Feb. 1970 issues.]
Notes:
[Based on article, Fatal accidents on completed sections of interstate highway system, 1968, by Harold R. Hosea, in Oct. 1969 issue of Public roads, and also supplements thereto, in Dec. 1909 and Feb. 1970 issues.] ‡ Official Use. Not Available.