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B Line

B Line

Good Service

Updated 12:02 PM MDT

Reliability — last 30 days

Aug 5 100.0% good

Recent status changes

Aug 5, 10:18 AM Good Service Good Service

NYC Subway London Chicago 'L'MBTA WMATA Wiener Linien SEPTA (Philadelphia)Sydney Trains & Metro Metra Stockholm Montreal Métro Singapore MRT & LRT Oslo Metro Helsinki Bucharest Metro Paris Métro & RER Lyon TCL Tokyo Subway LA Metro Marseille RTM Berlin U-Bahn Buenos Aires Subte NJ Transit Santiago Metro Denver RTD About Privacy Terms

© 2026 Delayed Trains. Independent site — not sponsored by, affiliated with, or operated by the MTA, Transport for London, the CTA, the MBTA, WMATA, Wiener Linien, SEPTA, Transport for NSW, Metra, SL (Storstockholms Lokaltrafik), STM (Société de transport de Montréal), Singapore's Land Transport Authority (LTA), Ruter, Entur, HSL (Helsingin seudun liikenne), TPBI, Metrorex, Île-de-France Mobilités, SYTRAL Mobilités, TCL, Tokyo Metro, Toei, LA Metro, RTM / Métropole Aix-Marseille-Provence, BVG, the Gobierno de la Ciudad de Buenos Aires, NJ Transit, Denver RTD, or any transit agency. We do not guarantee the accuracy, completeness, or timeliness of any data shown. Data: MTA, TfL, CTA, MBTA, WMATA, Wiener Linien, SEPTA, Transport for NSW, Metra, SL, STM, LTA DataMall, Entur, HSL, TPBI, Île-de-France Mobilités, SYTRAL/GrandLyon, ODPT, LA Metro, RTM, BVG, GCBA open data, NJ Transit, Denver RTD. Stockholm data based on information retrieved from Trafiklab.se. Métro service data provided by the Société de transport de Montréal (STM), used under CC BY 4.0. Train service data provided by Singapore's Land Transport Authority (LTA) DataMall, used under the Singapore Open Data Licence v1.0. Oslo data: Ruter open data via Entur — contains data under the Norwegian Licence for Open Government Data (NLOD). Helsinki data © HSL, licensed under CC BY 4.0. Bucharest data: TPBI / Metrorex via gtfs.tpbi.ro. Paris data: Île-de-France Mobilités, made available under the Licence Mobilités. Lyon traffic alerts from TCL (SYTRAL Mobilités) via data.grandlyon.com, made available under the Licence Mobilités. Tokyo data is based on data provided by the Public Transportation Open Data Center (ODPT, 公共交通オープンデータセンター) and the transportation operators (Tokyo Metro, Toei); the accuracy and integrity of this data are not guaranteed. Please do not contact Tokyo Metro or Toei about this site — contact [email protected] instead. Marseille data: RTM / Métropole Aix-Marseille-Provence via api-mobilite.rbgl.fr, under Licence Ouverte v2.0. Berlin status data from BVG's Störungsmeldungen service (bvg.de); line colors from VBB open data (CC BY 4.0). Buenos Aires: Gobierno de la Ciudad de Buenos Aires — API Transporte (CC BY 4.0). NJ Transit rail data obtained from NJ Transit; NJ Transit does not endorse or guarantee the accuracy of this data; if data is more than 1 minute old it may not reflect real-time conditions. Denver data: RTD GTFS-realtime service alerts (open-data.rtd-denver.com), redistributed AS-IS under RTD's open-data terms; RTD does not endorse this site.