Show Traffic Signals Unified at All AU Intersections Semaphore Lights Lights in in n Business Sections t to Be Be- Controlled ally Located P Police t e Towers I Simultaneous co control of ot traffic semaphore lights on Main street will be Inaugurated this afternoon or Saturday m morning according to announcement made at police poUce headquarters headquarters headquarters head head- quarters toda today Linemen were engaged this morning in stringing wires between the signal towers at First and Second Second Sec See ond end South streets and Broadway at Main laIn street and making the necessary electrical connection to control the lights from the tower at Second South and Main streets One man will be required to operate oper oper- ate ato the tho complete Main street system system tem tern of ot lights when the change Is made allowing the other traffic policemen to patrol the tho street and see that traffic regulations are observed at Intersections and In Inthe Inthe Inthe the middle of blocks Signal lights will allow traffic at t all of ot the tho controlled Intersections to move moye north and south or east and west at the same annie time A similar system was installed on State street a week ago and proved successful according to police poUce of of- of It Is now being controlled at Broadway on State street and will later be controlled at First South and State Stat streets Main street will bl be controlled also from First South street when the change Is made so that the officers Inthe in inthe the tho towers will be better able to handle traffic at the approach of ot fire apparatus on a west vest side run |