SUMMARY: Responsible for assisting in the installation, repair, and maintenance of electronically controlled traffic control devices, arterial street lighting and school zone flashers; responds to emergency situations regarding signals, flashers and downed stop signs; assists in training signal crew members. WORKING CONDITIONS: Frequent climbing, balancing, reaching, sitting, standing, walking, stooping, kneeling, crouching, talking, seeing, hearing, driving and manual dexterity.