Defining Reserve Times for Metro Systems: An Analytical Approach

Table 1

Operational parameters of Line 1.

Parameter	Value
	Piscinola-Garibaldi direction	Garibaldi-Piscinola direction
Travel distance	18.791 km	18.616 km
Total travel time	1,463 s; (24.4 min)	1,485 s; (24.8 min)
Total dwell time	400 s; (6.7 min)	400 s; (6.7 min)
Inversion time	307 s; (5.1 min)	268 s; (4.5 min)
Buffer time; 90th percentile	116 s; (1.9 min)	103 s; (1.7 min)
Buffer time; 95th percentile	131 s; (2.2 min)	116 s; (1.9 min)
Buffer time; 99th percentile	159 s; (2.7 min)	141 s; (2.4 min)
Adopted cycle time; 90th percentile	4,542 s; (75.7 min)
Adopted cycle time; 95th percentile	4,570 s; (76.2 min)
Adopted cycle time; 99th percentile	4,623 s; (77.1 min)
Minimum time spacing along the line	110 s; (1.83 min)
Energy consumption	279.01 kWh	386.21 kWh