Single-Platform Capacity
1/2
0
1
2
dwell
1
2
'
2
'
(min)
2
s
r
n
nl
s
nl
v b
b
h
T
t
a
b b
v
The first term is the dwelling time, the time it takes the first
train to take on and drop off passengers.
the second term represents the time it takes a train of
n
vehicles to clear the platform while accelerating at normal
acceleration
n
a
,
the third to last terms give the minimum headway under
uninterrupted conditions.
Minimum way headway
125

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An Example
Plot the relationship between cruising speed and station
vehicle flow for the system of a single platform for
safety Regime
a
. Assume a dwelling time of 10s and a
normal acceleration of 8 ft/s
2
.
20ft veh
l
,
1
r
t
s
,
1veh train
N
2
8ft s
n
a
,
2
24ft s
n
b
,
0
3ft
s
126