Two of Los Angeles's Metro Rail lines are heavy rail lines. These are the Red and Purple lines, which operate as subway lines starting at Union Station in downtown Los Angeles. The first segment opened in 1993. The Red Line continues to Hollywood and the San Fernando Valley. The Purple Line operates under Wilshire Boulevard to Western Avenue with further extensions to the west currently under construction. As of October 2013, the combined Red and Purple lines averaged 169,478 boardings per weekday.