SANDAG is planning an extension of the Blue Line from the Old Town Transit Center 11 miles (17.7 km) to the University City community, which will serve major activity and employment centers such as the University of California, San Diego (UCSD) campus and University Towne Centre (UTC) shopping center.
圣地亚哥政府联合会（SANDAG）计划将老城交通中心的蓝线延伸至11英里（17.7公里）的大学城社区，该线路将服务加州大学圣地亚哥分校（UCSD）等主要活动和就业中心，校园和大学城中心（UTC）购物中心。