Locomotive engineer safety with single manning operation

Figures & data

Figure 1. Fault tree for a tip-over accident at a tight curve.

Table 1. Fatal Accident Frequency Rate results.

	Double manning	Single manning	Increase D to S
Head-on collision at loop	0.76	0.80	0.04
Tail-on collision at loop	0.11	0.12	0.01
Tail-on collision at ½ block	0.29	0.36	0.07
Mis.59 running collision	0.34	0.34	0.00
Pilot running collision	0.07	0.07	0.00
Tip-over at curve	5.76	6.67	0.91
Tip-over at turnout	0.98	1.15	0.17
Derailment	0.83	0.83	0.00
Collision with obstruction	6.90	7.02	0.12
Collision with maintenance equipment	0.28	0.28	0.00
FAFR Totals	16.32	17.64	1.32