This implementation follows Entur's Nordic SIRI Profile specification. Initial project structure was inspired by MTA's GTFS-Realtime to SIRI Converter.

Abstract: This paper presents a single-ended four-level pulse amplitude modulation (PAM-4) receiver for maximum transition avoidance (MTA)-coded signaling ...

In its previous incarnation, Car RD340 kept straphangers moving as one of the distinctive “Redbirds” that for years made up part of the subway fleet on the numbered lines. On Sunday, the once-red but ...

GTFS frequencies.txt allows defining multiple frequency blocks for the same trip_id. When these frequency blocks overlap in time, they may generate duplicate trips with the same trip_id operating at ...

Transit officials are probing proposals from tech companies on how best to use artificial intelligence to patrol subway cars and buses in real-time through thousands of video feeds, documents reveal.