Southern Pacific service locomotive pulls a
Peninsula Commute train past Bayshore in April 1985. The original commuter railroad was built in 1863 under the authority of the
San Francisco & San Jose Railroad; it was purchased by
Southern Pacific (SP) in 1870. SP double-tracked the line in 1904 and rerouted it via the
Bayshore Cutoff. After 1945, ridership declined with the rise in automobile use; in 1977 SP petitioned the state Public Utilities Commission to discontinue the commuter operation because of ongoing losses. California legislators wrote Assembly Bill 1853 in 1977 to allow local transit districts along the line to make bulk purchases of tickets for resale at a loss, subsidizing commuters reliant on the Peninsula Commute until 1980; more importantly, the bill also authorized
Caltrans to begin negotiating with SP to operate the passenger rail service and acquire the right-of-way between San Bruno and Daly City. To preserve the commuter service, in 1980 Caltrans contracted with SP and began to subsidize the Peninsula Commute. Caltrans purchased new locomotives and rolling stock, replacing SP equipment in 1985. Caltrans also upgraded stations, added shuttle buses to nearby employers, and dubbed the operation
CalTrain.
Joint Powers Board The Peninsula Corridor Joint Powers Board was formed in 1987 to manage the line. Subsequently, San Mateo and Santa Clara Counties commissioned Earth Metrics, Inc., to prepare an
Environmental Impact Report on right-of-way acquisition and expansion of operations. With state and local funding, the PCJPB bought the railroad right of way between San Francisco and San Jose from SP in 1991. As
SamTrans advanced most of the local fund used to purchased the right-of-way, it was also agreed that SamTrans would serve as the managing agency until San Francisco and Santa Clara Counties could repay their portions. The following year, PCJPB took responsibility for CalTrain operations and selected
Amtrak as the contract operator. PCJPB extended the CalTrain service from
San Jose to
Gilroy, connecting to
VTA light rail at
Tamien station in San Jose. In July 1995, CalTrain became accessible to passengers with wheelchairs, excepting 22nd Street station, which has no step-free access. Five months later, CalTrain increased the bicycle limit to 24 per train, making the service attractive to commuters in bicycle-friendly cities such as San Francisco and
Palo Alto. In July 1997, the current logo was adopted, and the official name became Caltrain, dropping the capitalized "T". In 1998, the
San Francisco Municipal Railway extended the
N Judah line from Market Street to the San Francisco Caltrain Station at 4th and King streets, providing a direct connection between Caltrain and the
Muni Metro system. A year later,
VTA extended its light rail service from north Santa Clara to the
Mountain View station. Starting in 1999, Caltrain reconstructed several stations and upgraded tracks and level crossings under the "Ponderosa Project". In June 2003, a passenger connection for the
Bay Area Rapid Transit (BART) and Caltrain systems opened at
Millbrae station just south of the
San Francisco International Airport. In 2008, Caltrain reached a then all-time high of 98 trains each weekday. Caltrain announced on August 19, 2011, a staff recommendation to sign a five-year, $62.5 million contract with
TransitAmerica Services, after taking proposals from three other firms, including Amtrak California, which had provided operating employees since 1992. The new operating contract was approved by the full Joint Powers Board at its scheduled September 1 meeting. TransitAmerica Services took over not only the conductor and engineer jobs on the trains, but also dispatching and maintenance of equipment, track, and right-of-way from Amtrak. On May 26, 2012, TransitAmerica took over full operations.
Baby Bullet service locomotives; they have since been replaced by new electric train sets, but still see service on the South County Connector. In June 2004, Caltrain finished its two-year CTX (
Caltrain Express) project for a new express service called the
Baby Bullet. The project entailed new bypass tracks in
Brisbane and
Sunnyvale as well as a new
centralized traffic control system. The Baby Bullet trains reduced travel time by stopping at only four or five stations between San Francisco and San Jose
Diridon station; the express trains could overtake local trains at the two locations (near
Bayshore and
Lawrence stations) where
passing loops were added. Travel time for about 46.75 miles between San Francisco and San Jose is 57 minutes (four stops), 59 minutes (five stops) or 61 minutes (six stops), compared to 1 hour 30 minutes for local trains. The Baby Bullets have the same top speed of as other trains, but fewer stops save time. The CTX project included the purchase of new
Bombardier BiLevel Coaches along with
MPI MP36PH-3C locomotives. The Baby Bullets proved popular, but many riders had longer commutes on non-bullet trains, some of which would wait for Baby Bullet trains to pass.
Budget crises In May 2005 Caltrain started a series of fare increases and schedule changes in response to a projected budget shortfall. The frequency of the popular Baby Bullet express trains was increased; two express trains were added in May and another ten were added in August. New Baby Bullet stops,
Pattern B stops, were introduced. Another increase of $0.25 in basic fare came in January 2006. On April 2, 2010, Caltrain announced the need to cut its services by around 50%, as it was required to cut $30 million from its $97 million budget because all three authorities that fund the line were facing financial problems themselves and $10 million a year in previous state funding had been cut. Revenues for both local and state agencies had been steadily declining, as well as ticket revenues at Caltrain itself, and had left all "beyond broke." On January 1, 2011, Caltrain cut four midday trains but upgraded four weekend trains to Baby Bullet service as a pilot program. This reduced its schedule from 90 to 86 trains each weekday. At the same time, it raised fares $0.25 and continued to contemplate cutting weekday service to 48 trains during commute hours only. By April 2011, Caltrain's board had approved a budget with fare increases to take effect on July 1, 2011, and no service cuts. The budget gap would be closed with another $0.25 fare increase, a $1 parking fee increase to $4, and additional money from other transit agencies and the MTC. On February 17, 2017, California State Senator
Jerry Hill introduced SB 797, which would permit the Peninsula Corridor Joint Powers Board to submit a regional measure for sales tax increase of th of one cent to the voters in the three counties served by Caltrain. The regional measure would require a two-thirds majority (aggregated among the three counties) to pass, and would provide Caltrain with a dedicated revenue source estimated at $100 million per year. For comparison, in fiscal year 2016 (ending June 30, 2016), the operating expenses for Caltrain were $118 million, and farebox revenues were $87 million, and Governor Brown signed the bill into law in October. (
US 101), seen here in San Mateo near Hillsdale Boulevard (2005) Advocates for the increased tax cited its potential benefits to alleviate congestion along
U.S. Route 101, which
Carl Guardino quipped "has become so congested that we've changed its name to the '101 Parking Lot'." Detractors pointed to Caltrain's bureaucracy and stated fares should be increased to improve services instead. if the tax would result in expanding ridership capacity. The poll was sponsored by the Silicon Valley Leadership Group (SVLG), headed by Guardino, which predicted that daily ridership could rise to 250,000 with the improvements in service funded by the dedicated sales tax increase. In March 2020, Caltrain's ridership dropped by 95% due to the
COVID-19 pandemic, resulting in losses of $ per month. The joint powers board recast the sales tax proposal as a way to keep the system afloat. Due to the COVID-19 measures and subsequent loss of approximately 75% of its ridership, Caltrain discontinued Baby Bullet service starting March 17, 2020. Two weeks later, due to continued loss of ridership, Caltrain further cut service from 92 to 42 trains per weekday, starting March 30. Average weekday ridership plummeted from approximately 65,000 (pre-pandemic) to 1,300. By June 15, service was increased to 70 trains per weekday, and limited (skip-stop) service was reinstated; later that month, ridership had recovered to 3,200 per weekday. In July, after the
San Francisco Board of Supervisors initially declined to consider the ballot proposal, citing concerns about the system's governance structure, Caltrain officials warned that the agency would run out of operating funds and be forced to suspend service by the end of the year. In August, San Mateo County officials agreed to make Caltrain more independent from
SamTrans in exchange for placing the sales tax on the ballot. In November 2020, Measure RR passed which created dedicated funding of a one-eighth cent sales tax. The schedule was adjusted again starting December 14, with slightly fewer weekday trains (68) but more frequent off-peak and weekend service to support essential workers. The number of weekday trains returned to 70 starting March 22, 2021, and the schedule was adjusted to facilitate transfers to BART at Millbrae. Caltrain began operation with a new schedule that exceeds pre-pandemic service on August 30, 2021; there are 104 trains operated per weekday, including reinstated Baby Bullet service. Headways for popular stations are as low as 15 minutes during peak commute hours (6–9 a.m. and 4–7 p.m.) and 30 minutes throughout the day before 11 p.m. for most stations. The separate Saturday and Sunday schedules were consolidated into a single weekend schedule with 32 trains per weekend day. All stations have a maximum headway of 60 minutes, including weekends, except for a 90–120 minute gap between the earliest weekend trains. In addition, fares were cut in half for September. Gilroy service was increased to four weekday round trips on September 25, 2023. Despite ridership increases after electrification, by 2026 Caltrain projected a $75 million annual budget deficit over the following 15 years. In April 2026, the agency indicated potential service reductions that would be necessary if a regional funding measure is not passed in the
November 2026 elections. They could include closure of one-third of stations, elimination of late evening and weekend service, frequency reduction to one train per hour, and closure of segments of the service.
Modernization and electrification The Caltrain Modernization Program
electrified the main line between San Francisco and the San Jose
Tamien station, allowing transition from
diesel-electric locomotive power to electric rolling stock. Proponents said electrification would improve service times via faster acceleration, allow better scheduling and reduce air pollution and noise. Electrification would also allow future expansion to downtown San Francisco. Electrified vehicles require less maintenance, but electrification will increase required track maintenance by about the same dollar amount, at least initially. The plan called to electrify the system between
San Francisco and San Jose
Tamien station. Originally scheduled for completion by 2020, the first
electric multiple unit services started on August 11, 2024, with full electrification achieved and diesel trains retired on September 21, 2024. Electrification resulted in faster trip times thanks to better acceleration on the new
electric multiple unit trains. A scheduled local train trip from San Jose Tamien to San Francisco was shortened from 115 minutes with a diesel train to 83 minutes with electric service, an improvement of 32 minutes. Electric express service added more stops but still improved trip times - a 7-stop diesel express train from San Jose Diridon to San Francisco was scheduled at 66 minutes, while a 10-stop electric express train went down to 59 minutes despite making more stops. A
UC Berkeley study found electrification delivered significant air quality improvements both onboard trains and at stations, as well as the areas surrounding stations. The electrification project between San Francisco and Tamien is the first phase, the second phase being from Tamien station to
Gilroy. Cost, excluding electric rolling stock, for the first phase was estimated at $471 million (2006 dollars). By 2016, costs had increased to $1.7 billion. Notably, in 2021, Caltrain stated that the overall cost of electrification had risen to $2.44 billion. As part of the Caltrain Modernization Program and mandated by the federal government,
positive train control (PTC) was installed along the route between San Francisco and San Jose by late 2015. Caltrain planned to use lighter
electric multiple units that do not comply with the
Federal Railroad Administration (FRA)
crashworthiness standards, but instead comply with the
International Union of Railways (UIC) standards, on the electrified lines. The FRA granted Caltrain a waiver to operate these units, which were previously banned on mixed-use lines with other FRA-compliant rolling stock due to concerns over crashworthiness, after Caltrain submitted simulation data showing UIC-compliant rolling stock performed no worse or even better than FRA-compliant rolling stock in crashes. Caltrain plans to retain its newer diesel-electric rolling stock for use on the Dumbarton Extension and service south of Tamien. Caltrain awarded the
electrification and
EMU contracts at the July 7, 2016, PCJPB board meeting to
Balfour Beatty and
Stadler Rail, respectively, signaling the start of modernization efforts that will make Caltrain more akin to rapid-transit services such as
Bay Area Rapid Transit (BART) than traditional commuter services, and allow the future
California High-Speed Rail trains to reach San Francisco utilizing Caltrain tracks. In August 2016, Caltrain ordered sixteen six-car double-decker
Stadler KISS electric multiple unit sets from Stadler Rail. The price is $166m for the 16 units, or $551m including an option of 96 more EMU cars. However, the plans for an electrified Caltrain were put in jeopardy in February 2017 by the
Trump administration when
US Secretary of Transportation Elaine Chao decided to indefinitely delay granting the federal funding for the Caltrain electrification project that had been approved by the Obama administration. One month later, in March 2017, the
American Public Transportation Association (APTA) sent a letter to Secretary Chao calling the Caltrain delay "concerning." In more than two decades, the APTA wrote, "no project has failed to secure final signature after successfully meeting evaluation criteria." In February 2017, Caltrain fired Parsons Transportation Group and sued them for delays in designing the custom technologies necessary for the PTC system. They then went on to sign a contract with
Wabtec, who would offer them the industry-standard PTC system. On April 30, legislators in the
United States Congress included $100 million for the Caltrain electrification project in the proposed 2017 federal spending bill, which was signed into law by President Trump on May 6. The $100 million represents the federal funding for fiscal year 2017 of the total $647 million grant, with the balance expected in future years. Secretary Chao claimed she could not sign the grant without the full grant being budgeted, which was disputed by Caltrain and both California Senators
Dianne Feinstein and
Kamala Harris. On May 22, the FTA announced its intent to sign the funding grant, restoring the final piece of funding for the electrification project. The official grant was finally signed on May 23, and Caltrain broke ground for the
Peninsula Corridor Electrification Project on July 21, 2017, in a ceremony attended by local and state officials at the Millbrae station. In December 2018, it was reported that Caltrain was again behind schedule in installing PTC for the rail corridor, The Federal Railroad Administration certified Caltrain's PTC project in December 2020. The first electric trainset was shipped to the
Transportation Technology Center for testing in February 2021. In June 2021, Caltrain announced the start of revenue service with electric multiple units would be delayed to late 2024. In February 2022, the last foundation required for the new overhead catenary system was completed, with the entire line planned to be energized by summer 2022. Testing of the line would then begin using a
AEM-7 electric locomotive, with revenue service planned for 2024. On March 10, 2022, a southbound train struck a contractor's crane in San Bruno, injuring 13 people. Caltrain began public operation of its electrified trainsets on August 11, 2024, with two trainsets, adding more each week until the full rollout of electric service between San Francisco and Tamien on September 21. The new schedule provides for 104 trains on weekdays (52 in each direction) between San Francisco and San Jose Diridon, with local service running every 30 minutes, and alternating trains continuing to Tamien. During weekday rush hours, local service is supplemented by express (stopping only at 22nd Street, South San Francisco, Millbrae, San Mateo, Hillsdale, Redwood City, Palo Alto, Mountain View and Sunnyvale) and limited-stop trains (running express between San Francisco and Redwood City, then local between Redwood City and San Jose). Diesel trains continue to be used for South County Connector service between San Jose and Gilroy, with 4 trains in each direction, with these trains scheduled to provide
timed cross-platform transfers to and from limited-stop or express electric trains at Diridon. Weekend service was doubled to 66 trains (33 in each direction), with local service running every 30 minutes between San Francisco and San Jose Diridon, and alternating trains continuing to Tamien.
Grade separation (2005) , there were 41 vehicular at-grade crossings remaining along the PCJPB-owned right-of-way from San Francisco to Tamien: • 2 in San Francisco:
Mission Bay Dr, 16th St • 29 in San Mateo County • South San Francisco: Linden Ave • San Bruno: Scott St • Millbrae: Center St • Burlingame:
Broadway, Oak Grove, North Lane, Howard Ave, Bayswater, Peninsula • San Mateo: Peninsula, Villa Terrace, Bellevue, 1st, 2nd, 3rd, 4th, 5th, 9th • Redwood City: Whipple, Brewster, Broadway, Maple, Main, Chestnut • Atherton: Fair Oaks Ln, Watkins • Menlo Park: Encinal, Glenwood, Oak Grove, Ravenswood • 10 in Santa Clara County • Palo Alto: Palo Alto, Churchill, Meadow, Charleston • Mountain View:
Rengstorff Ave,
Castro St • Sunnyvale: Mary, Sunnyvale • San Jose: Auzerais, West Virginia In addition, there are 28 more at-grade crossings in Santa Clara County along the UP-owned right-of-way between Tamien and Gilroy, including crossings at Skyway Drive, Branham Lane, Chynoweth Avenue in south San Jose. In 2018, gates were down for an average of approximately 11 minutes at each crossing during a typical peak weekday commute hour. The anticipated increase in rail traffic resulting from the completion of PCEP and implementation of CAHSR will result in additional road traffic delays for the remaining at-grade crossings along the Peninsula Corridor. == Proposed plans ==