Assertion: footboard tram | /r/HasProperty | introduced
Facets:
Source sentences:
text: Footboard trams continued to be introduced, notably the single truck E-class (that ran in a permanently coupled set), J-class and the K-class, and the more famous O-class, O/P-class, P-class and L/P-class bogie trams that required the conductor to collect fares from the footboard running along the side of the tram, as they had no corridor through the middle connecting each compartment.