Rapid transit

high-capacity public transport generally used in urban areas

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at train station platforms, a door that separates the platform from the train, due to architectural constraints, climate control, and/or for safety

train station layout that uses both island and side platforms and where doors open on both sides of a train

thumb|upright=1.1|Trams at Parvis de Saint-Gilles/Sint-Gillis Voorplein premetro station|Saint-Gilles/Sint-Gillis station with partially low platforms in [[Brussels.]] thumb|upright=1.1|Low platform section for trams at Duisburg Hauptbahnhof Stadtbahn station. thumb|upright=1.1|Low platform station for trams in Vienna during transformation. A third rail and emergency stairs from the future high platform have already been installed. thumb|upright=1.1|Monte Compatri-Pantano (Rome Metro)|Pantano station before conversion.

transfer station design

Train protection system for rapid transit railways

seat in public transport designated for people with difficulties like walking

communications-based train control system developed by Siemens

SelTrac is a digital railway signalling technology used to automatically control the movements of rail vehicles. It was the first fully automatic moving-block signalling system to be commercially implemented.