This illuminated billboard reads to northbound traffic on Tracy Blvd. at Linne Rd. in the city of Tracy, CA. Located right across the street from the ACE Train, this billboard offers advertisers a great opportunity to reach Tracy commuters traveling between Tracy and San Jose/Silicon Valley on the ACE train system. ACE (Altamont Express Corridor) is a unique passenger rail system that connects the Central Valley with the Silicon Valley. The ACE train system runs between Stockton and San Jose/Silicon Valley and consists of ten stops.