Bay Area Rapid Transit - Rolling Stock

Rolling Stock

BART operates four types of cars, built from three separate orders, totaling 669 cars.

To run a typical peak morning commute, BART requires 579 cars. Of those, 541 are scheduled to be in active service; the other 38 are used to build up four spare trains (essential for maintaining on-time service). At any one time, the remaining 90 cars are in for repair, maintenance, or some type of planned modification work.

The A and B cars were built from 1968 to 1971 by Rohr Industries, an aerospace manufacturing company that had recently started mass-transit equipment manufacturing. The A cars were designed as leading or trailing cars only, with an aerodynamic fiberglass operator's cab housing train control equipment and BART's two-way communication system, and extending 5 feet (1.52 m) longer than the B- and C-cars. A and B cars can seat 60 passengers comfortably, and under crush load, carry over 200 passengers. B cars have no operator's cab and are used in the middle of trains to carry passengers only. Currently, BART operates 59 A cars and 389 B cars.

The C cars were built by Alstom between 1987 and 1989. They have a fiberglass operator's cab and control and communications equipment like the A cars, but do not have the aerodynamic nose, allowing them to be used as middle cars as well. This allows faster train-size changes without having to move the train to a switching yard. C cars can seat 56 passengers and under crush load accommodate over 200 passengers. The latest order, from Morrison-Knudsen (now Washington Group International), was for C2 cars, which are the same as C cars, but have an interior with a blue/gray motif, in contrast to the previous blue and brown colors. C2 cars can seat 56 passengers, and under crush load can carry over 200 passengers. Since the purchase of C2s, the original C cars are also referred to as C1 cars. Currently, BART operates 150 C1 cars and 80 C2 cars. The "C" cars have a bright white segment as the final approximately two feet (61 cm) of the car at one end.

In 1995, BART contracted with ADtranz (acquired by Bombardier Transportation in 2001) to refurbish and overhaul the 439 original Rohr A- and B-cars, updating the old brown fabric seats to the less-toxic and easier-to-clean, light-blue polyurethane seats in use today and bringing the older cars to the same level of interior amenities as the C2 fleet. The project was completed in 2002. All BART cars have upholstered seats and nearly all cars have carpeting except for some C1 and/or C2 cars. Because one of the original design goals was for all BART riders to be seated, the older cars have fewer provisions such as grab bars for standing passengers. Flip-up seats (found in C2 cars) were excluded from the refurbishment, in order to provide designated areas for luggage, wheelchairs and bicycles. The carpeted flooring in most of the C1 cars was replaced with spray-on composite flooring after passengers complained that the cars were unclean.

The A, B, and C cars were all given 3-digit numbers originally, but when refurbished 1000 was added to the number of each individual A/B car (e.g. car 633 would become 1633). The C2 cars are numbered in the 2500 series; the C/C1 cars still have 3-digit numbers. BART's livery has remained effectively unchanged throughout its history.

Prior to rebuilding, the Direct Current (DC) traction motors used on the 439 Rohr BART cars were model 1463 with chopper controls from Westinghouse, who also built the automatic train control system for BART. The Rohr cars were rebuilt with ADtranz model 1507C 3-phase Alternating Current (AC) traction motors with IGBT inverters. The Westinghouse motors are still in use on the Alstom C (C1) and Morrison-Knudsen C2 cars and the motors that were removed from the Rohr cars were retained as spare motors for use on them. The HVAC system on the Rohr BART cars before rehabilitation were built by Thermo King, when it was a subsidiary of Westinghouse; it is now a subsidiary of Ingersoll Rand. The current HVAC systems on the rebuilt Rohr-built Gen 1 cars were built by Westcode.

It was reported in March 2011 that several strains of molds and bacteria were found on fabric seats on BART trains, even after wiping with antiseptic. These included bacteria from fecal contamination. In April, BART announced it would spend $2 million in the next year to replace the dirty seats.