Tables show annual statistics compiled by Bureau of Railway Economics, AAR, providing information on wooden cross tie renewals and cost data for 1956; comparisons show "Low" and "High" region and average for United States. Advance Report of Committee 3 -- Ties.
Tie renewals and costs per mile of maintained track
Aufsatz (Zeitschrift)
Tie renewals and costs per mile of maintained track
Engineering Index Backfile | 1954
Tie renewals and costs per mile of maintained track
Engineering Index Backfile | 1958
Tie renewals and costs per mile of maintained track
Engineering Index Backfile | 1955
Tie renewals and costs per mile of maintained track
Engineering Index Backfile | 1953
British Library Online Contents | 2005