New signals, 1958

2 images. New signals, 20 January 1958. New Mast-Arm type signals at Washington and Bonnie Brea; New signals at Washington and Vermont; Old signals at Olympic and Alvarado; Old signals at 11th and Westmoreland.; Caption slip reads: "Photographer: Snow. Date: 1958-01-20. Reporter: Ostler. Assignment: New signals. 11-12: New Mast-Arm type signals at Washington and Bonnie Brea. 51-52-107: New signals at Washington and Vermont. 109-110: Old signals at Olympic and Alvarado. 89-90: Old signals at 11th and Westmoreland.