The North Las Vegas, Nevada, Department of Public Works' Traffic Engineering Division was faced with a problem: department personnel had to manually turn the time switches on their T101 mechanical time switches on and off whenever a deviation in the schedule occurred. The T101s automatically switched on the flashing lights at school crossings at 7:30 a.m. and turned them off at 3:30 p.m. The Traffic Engineering Division spent an average of six to seven manhours every weekend and holiday manually turning the switches on and off. To solve this problem, the T101s were replaced with ET7115C Series electronic one-circuit time switches. This model can be programmed up to seven days in advance, with optional holiday programming available for full year control. It also offers an eighth-day programming feature to program holidays different from the usual seven-day schedule. The department has saved over 140 manhours per year with the new switches.

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  • Corporate Authors:

    Public Works Journal Corporation

    200 South Broad Street
    Ridgewood, NJ  United States  07451
  • Publication Date: 1990-6

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Filing Info

  • Accession Number: 00496678
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Aug 31 1990 12:00AM