Subject to vision and hearing constantly; standing, walking, pushing/pulling, reaching, handling, balancing, talking and foot controls frequently; sitting, lifting, carrying, fine dexterity, kneeling, twisting and climbing occasionally; crouching, crawling and bending rarely. Installs, maintains, and repairs traffic control devices, pavement markings, street and traffic signs, school zone flashers, and temporary traffic controls to ensure clear and consistent guidance for all roadway users.