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4. Performance of the transport networks
Table 4.6
Summary of key reliability indicators for the principal public transport
modes.
Mode Units/measure 2008/09 2013/14 2014/15
Underground Standardised journey time 43.9 43.4 42.3
(minutes)
Underground Excess waiting time (minutes) 6.6 5.2 4.6
London Buses Excess waiting time for highfrequency
1.1 1.0 1.1
routes (minutes)
London Buses Low frequency routes –
80.8 82.5 81.8
percentage of buses on time
DLR
Percentage of trains that ran n/a 0.08 0.07
to time
London Tramlink Excess waiting time 98.9 98.9 97.9
National Rail
London
Overground
ORR’s PPM measure for L&SE
operators (all services,
average for year)
ORR’s PPM measure (all
services)
91.0 89.6 89.0
n/a 95.8 95.0
Source: TfL Planning, Strategic Analysis.
Since 2008/09, reliability indicators across the principal transport modes have
remained consistently high. On the Underground, excess waiting time decreased
from 6.6 minutes in 2008/09 to 4.6 minutes in 2014/15, while for bus excess
waiting time for high-frequency routes was 1.1 minutes in both years, although for
much of the period this stood at 1.0 minute.
4.11 Public transport capacity
Over the most recent year Underground capacity has increased by 0.7 per cent
following line upgrades and increased off-peak service levels. London Tramlink
capacity also increased, by 4.3 per cent, while bus capacity increased marginally, by
0.2 per cent. There was a small decrease in DLR capacity, of 2.3 per cent, due to
the more frequent use of longer trains during the London 2012 Games; however
capacity remains substantially greater than in 2011/12, following the continued roll
out of three-car operation to the network.
84 Travel in London, Report 8