p>Working Conditions: Mental Demands/Physical Demands/Environmental Factors: • Prolonged standing; • Constant walking, grasping/squeezing, wrist flexion/extension, reaching; • Light lifting (less than 15 pounds); • Work outside (prolonged exposure to extreme temperatures, sunlight, and humidity); • constant exposure to noise and vehicle exhaust; • work around moving vehicles and on slippery and uneven surfaces; • Maintain emotional control under pressure; • work with frequent interruption; • may work alone. Qualifications: Education/Certification: Not specified Special Knowledge/ Skills: At least 18 years of age Ability to follow verbal instructions and communicate effectively with children and adults Basic knowledge of traffic safety regulations Ability to identify and respond quickly to traffic safety hazards.