Massachusetts Bay Transportation Authority No. 14 Orange Line and No. 4 Red Line cars: Difference between revisions

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On December 30, 2020, the first train of new Red Line cars entered service. <ref>@MBTA."ICYMI: The first new Red Line train debuted in service on 12/30! The new train is in service most weekdays while we continue to review & adjust its performance as needed. The modern, efficient & accessible design is a major stride in #BuildingABetterT" ''Twitter'', 13 January 2021, 12:01 pm.</ref> All cars are expected to be delivered by 2023.<ref>"New Red Line Vehicles." ''Massachusetts Bay Transportation Authority''. mbta.com/projects/red-line-improvement-program#cars. Accessed 05 NOvember 2019.</ref>
On December 30, 2020, the first train of new Red Line cars entered service. <ref>@MBTA."ICYMI: The first new Red Line train debuted in service on 12/30! The new train is in service most weekdays while we continue to review & adjust its performance as needed. The modern, efficient & accessible design is a major stride in #BuildingABetterT" ''Twitter'', 13 January 2021, 12:01 pm.</ref> All cars are expected to be delivered by 2023.<ref>"New Red Line Vehicles." ''Massachusetts Bay Transportation Authority''. mbta.com/projects/red-line-improvement-program#cars. Accessed 05 NOvember 2019.</ref>


Following the derailment of a CRRC train on the Orange Line in March 2021, the MBTA pulled all CRRC cars from service. According to the MBTA, side bearer pads designed to regulate the amount of force needed to turn the bogies had deteriorated. CRRC claims that the lack of a guardrail at the switch where the derailment occurred was a larger contributing factor.<ref>Kinney, Jim. “MBTA looks at cars, tracks as cause of derailment that sidelined Springfield-built CRRC cars.” 02 June 2021, Advance Local Media.</ref>
Following the derailment of a CRRC train on the Orange Line in March 2021, the MBTA pulled all CRRC cars from service. According to the MBTA, side bearer pads designed to regulate the amount of force needed to turn the bogies had deteriorated. CRRC claims that the lack of a guardrail at the switch where the derailment occurred was a larger contributing factor.<ref>Kinney, Jim. “MBTA looks at cars, tracks as cause of derailment that sidelined Springfield-built CRRC cars.” 02 June 2021, Advance Local Media.</ref> Orange line trains returned to service in August 2021.
 
The MBTA again pulled the CRRC Orange and Red Line cars from service for part of the month of May 2022 after a breakdown at Wellington station. The became disabled because a bolt was improperly installed in a car’s braking unit. The cars were pulled again in June and July 2022 due to a battery failure in an out-of-service Orange Line car. Delivery of new cars was suspended to address manufacturing-related defects identified by the MBTA. Due to faulty design and ill-fitting materials  as claimed by the MBTA, the cars were pulled again in December 2022.<ref>Cawley, Gayla. [https://www.bostonherald.com/2023/02/18/timeline-of-mbtas-870-5m-contract-with-chinese-owned-crrc/ "Timeline of MBTA’s $870.5M contract with Chinese-owned CRRC"]. ''Boston Herald'', 18 February 2023.</ref>
 
At the start of 2023, it was revealed that CRRC would not be able to deliver the remaining Orange and Red Line cars by December 2023 and September 2026, and could face daily fines of $500 for each late car. Only 78 of 152 new Orange Line cars and 12 of 404 Red Line cars had been delivered.<ref>Cawe;y, Gayla. "MA: New Orange, Red Line train delivery delayed again, MBTA says". ''Boston Herald'', 27 January 2023.</ref>


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