london underground 

Statements about this table:
the 1973 stock be the current stock when the avg trip per mile (x1000) be 4744
there be 10595 avg trip per mile (x1000) when turquoise be the map colour
when the map be turquoise , the length be 2.5 km (1.5 mi)
1973 stock be the current stock when the avg trip per mile (x1000) be 15093
s stock from 2014 be the future stock when pink be the map colour
there be 15093 avg trip per mile (x1000) when turquoise be the map colour
there be 10395 avg trip per mile on the metropolitan line
name
map colour
first operated
type
length
no sta
current stock
future stock
trips per annum (1000)
avg trips per mile (1000)
bakerloo line
brown
1906
deep tube
23.2 km 14.5 mi
25
1972 stock
n / a
111136
7665
central line
red
1900
deep tube
74 0 km 46 0 mi
49
1992 stock
n / a
260916
5672
circle line
yellow
1871
sub surface
27.2 km 17 0 mi
36
c stock s stock
s stock (currently replacing c stock)
114609
4716
district line
green
1868
sub surface
64 0 km 40 0 mi
60
c stock and d78 stock
s stock from 2014
208317
5208
name
map colour
first operated
type
length
no sta
current stock
future stock
trips per annum (1000)
avg trips per mile (1000)
hammersmith & city line
pink
1864
sub surface
25.5 km 15.9 mi
29
c stock s stock
s stock (currently replacing c stock)
114609
4716
jubilee line
silver
1979
deep tube
36.2 km 22.5 mi
27
1996 stock
n / a
213554
9491
metropolitan line
purple
1863
sub surface
66.7 km 41.5 mi
34
s stock
n / a
66779
1609
northern line
black
1890
deep tube
58 0 km 36 0 mi
50
1995 stock
n / a
252310
7009
name
map colour
first operated
type
length
no sta
current stock
future stock
trips per annum (1000)
avg trips per mile (1000)
piccadilly line
dark blue
1906
deep tube
71 0 km 44.3 mi
53
1973 stock
n / a
210169
4744
victoria line
light blue
1968
deep tube
21 0 km 13.3 mi
16
2009 stock
n / a
199988
15093
waterloo & city line
turquoise
1898
deep tube
2.5 km 1.5 mi
2
1992 stock
n / a
15892
10595