Electric Rail History > Key System and Southern Pacific Forgotten, Altered or Erased Through Time The Steps to Northvale The Erased Cut of the Key Number 11 Line From the Pier to Halcyon Court on the Elusive SP Ellsworth St. Line Transition Moments in Time in the Bay Area Trestle Glen 1922 Temescal 1948 Two 40th Streets For the Road Double Piedmont Avenue Stations Transformation of the Linden Street Corridor at the Emeryville-Oakland Border, Part 1, Tower 3 to 45th Street Transformation of the Linden Street Corridor at the Emeryville-Oakland Border, Part 2, 45th to 55th Street Lowell St., Golden Gate Tower, and the Market St. Solution, Part 1, 1911-1941 Lowell St., Golden Gate Tower, and the Market St. Solution, Part 2, After 1941 Melrose Moments in the 20th Century – Before the Bridge Melrose Moments in the 20th Century – IER and Bridge Railway Melrose Moments in the 20th Century – The Changing of the Guard