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Preventative Maintenance of Traffic Signals

The IMSA Preventive Maintenance of Traffic Signal Equipment Manual is a comprehensive manual covering typical aspects of traffic installation and maintenance procedures. 

 This manual contains accepted methods of procedure which may be used as a guide by people involved in the traffic signal field. As methods change with areas and climates, a check should be made of all local ordinances and accepted methods before procedures are changed or instigated. 


  • Manual of Uniform Traffic Control Devices
  • Record Keeping
  • Specific Preventive Maintenance Tasks
  • Preventive Maintenance of Electro-Mechanical Equipment
  • System Maintenance
  • Response Maintenance
  • Preventive Maintenance of Street Lights
  • Preventive Maintenance of 170 & 179 Controllers
  • Controller Functions
  • Computer Usage
  • Glossary
Manual: 230 pages   Copyright 1994
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© IMSA - International Municipal Signal Asssociation