Preferences in regional public transport: a literature review

European Transport Research Review

An Open Access Journal

Table 1 Search terms, based on the three concepts ridership, regional, and public transport

Ridership		Regional		Public transport
ridership OR patronage OR demand OR quality OR attitude OR perception OR satisfaction OR improvement OR upgrade	AND (	regional OR rural OR semirural OR “semi-rural” OR exurban OR “ex-urban” OR periurban OR “peri-urban” OR suburban OR interurban OR “inter-urban”	PRE/0	“public transport” OR transit OR bus OR coach OR rail OR passenger

In Scopus, the concepts regional and public transport were combined with the operator PRE/0, meaning that the terms must be adjacent. TRID, however, lacks this functionality. Thus, all three concepts were combined with the AND operator. The asterisks are multi-character wildcards, enabling inclusion of various suffixes of the chosen keywords. For example, the search term “public transport*” includes studies using one of the terms “public transport” or “public transportation”