Blue Line

## UC San Diego Blue Line History

The **UC San Diego Blue Line** (Also known as the **UCSD Blue Line or just The Blue Line**) is a light rail line in the San Diego Trolley system, operated by San Diego Trolley, Inc., an operating division of the San Diego Metropolitan Transit System (MTS). It operates between the UTC Transit Center, Downtown San Diego and the San Ysidro Transit Center, at the border with Mexico, directly adjacent to the San Ysidro Port of Entry, facilitating easy connections across the border

## History

The initial line in the San Diego Trolley system, the Blue Line first opened between Centre City San Diego and San Ysidro on July 26, 1981, at a spartan cost of $86 million (equivalent to $245 million in 2020), using the existing tracks of the San Diego and Arizona Eastern Railway. In 1986, the line was named the South Line to differentiate it from the new East Line to Euclid Avenue, which later became the Orange Line. On July 2, 1992, the line was extended north from downtown with the opening of the County Center/Little Italy stop. It was renamed the North-South Line when the Old Town extension opened on June 16, 1996. The North-South Line was renamed the Blue Line in 1997, with the opening of the extension to Mission San Diego on November 23, 1997.

When the Green Line was brought into service in 2005, the Blue Line was cut back to the Old Town Transit Center. At rush hours, however, some Blue Line trains continued onto Qualcomm Stadium; and from Qualcomm Stadium onto San Ysidro. On September 3, 2006, the rush hour service Blue line trains were discontinued entirely, due to duplication of service with Green Line service. All Blue Line trains then terminated at Old Town. Rush hour Blue Line trains operated from San Ysidro to America Plaza with some serving the Bayside.

Blue Line service also experienced some change in the stations served. The San Diego Square station located between 7th and 8th Avenues in Downtown closed in 1986 due to low ridership and its close proximity to Fifth Avenue station. Later that year, the Bayfront/E Street station in Chula Vista opened in October 1986, about five years after service already operated along the tracks served. At the same time, the Centre City station on C Street, between Sixth Avenue and Fifth Avenue, was renamed the Fifth Avenue station. The Fenton Parkway stop was an 'infill' station that opened in 2000; however, it is now only served by the Green Line.

## Blue Line Renewal Project & Mid-Coast Trolley Extension

During a system redesign which took effect on September 2, 2012, Blue Line service between America Plaza and Old Town was discontinued, making America Plaza the Blue Line's current northern terminus. Blue Line trains travel between America Plaza to San Ysidro on a regular 15 minute frequency, with a 7+1⁄2 minute frequency during weekday rush hours. Blue Line service to Old Town will be reinstated once the Mid-Coast trolley extension to UC San Diego is completed. UC San Diego Health paid $30 million to rename the route the *UC San Diego Blue Line* in 2015.

To accommodate the new Siemens S70 models and allow for their use on the line, the Blue Line stations needed to undergo renovation, although this was done over a period of five years to prevent the disruption of operation of the Trolley. The project to renovate the stations, called the Trolley Renewal Project, began in fall 2010. After beginning operation on the Green Line in 2011 and on the Orange Line in 2013, low-floor Siemens S70 LRVs began operation on the Blue Line on January 27, 2015. Renovation of rail track and the final eleven Blue Line stations was completed in late 2015.

The **Mid-Coast Trolley Project** is an 11-mile (18 km) extension of the Blue Line from the Old Town Transit Center north to La Jolla Village, University of California, San Diego and University City. Ridership is projected at 34,700 trips in 2030. The extension will primarily follow the right-of-way of the Coaster and Interstate 5, with an elevated deviation around the UCSD area. MTS estimates that construction will begin in the second half of 2016 and the extension will be completed and ready for service in 2021, costing $2.1 billion. An aim of the extension is to decrease demand for parking on the UCSD campus while providing direct trolley access to Westfield UTC, a popular shopping mall. The existing SuperLoop BRT Shuttle (Routes 201/202) will provide transit in and around the UTC area from the nearby Trolley stations. On June 29 2021 during the Tecolote Road Ceremony, MTS started Trains on the line between Old Town up to UTC and until November 18 two days before the Extension opened. The Extension started service on November 21 2021.

## Possible Extension to Mira Mesa

In a Draft of the 2050 Regional Plan, SANDAG had a proposal that included the Blue Line being extended once again from UTC to Mira Mesa via a possible extension to Downtown Sorrento Mesa.