Data might be Primary
. Fortunately the second of these is a potential solution to the problem of low resources. To understand the values and preferences of passengers, there are a range of sources of secondary data already available.
The National Rail Passenger Survey
provides information on the population.
Sources such as this are useful in this context because they provide a rounded view of all rail users in the country. There are also continental datasets
which provide a comparison when assessing passenger satisfaction. Secondary data can also be used in conjunction with primary data, explained below.