In this way, stops with low passenger counts can be incorporated into a route without introducing unnecessary delay.
Request stops may also introduce extra travel time variability and increase the need for schedule padding.
In contrast, light rail and bus rapid transit services will typically stop at all stations regardless.
This practice was common on certain Transport for London routes until 2008, with different signs distinguishing between the two sorts of stops.
[3] Some services operate in this way only late at night, allowing for drop-off between marked stops, thereby decreasing walking time for safety and convenience.
This has live information for passengers and a button that can be pressed to alert the driver of their intent to board the train before it arrives in view from the platforms.
[10] On 15 August 2022, Scotscalder station became the trial site for a "Press & Ride" request stop system developed by Transport Scotland.
[11][12][13] Following the successful trial at Scotscalder, this system was expanded on 20 December 2022 to cover five more request stops on the line, namely Culrain, Invershin, Rogart, Kildonan and Kinbrace.