# Tasks & work activities — rail traffic controller

Source: O*NET 30.3, occupation 49-9097.00 (Signal and Track Switch Repairers).

## Task statements

- **[Core]** Install, inspect, maintain, and repair various railroad service equipment on the road or in the shop, including railroad signal systems.
- **[Core]** Inspect and test operation, mechanical parts, and circuitry of gate crossings, signals, and signal equipment such as interlocks and hotbox detectors.
- **[Core]** Inspect switch-controlling mechanisms on trolley wires and in track beds, using hand tools and test equipment.
- **[Core]** Drive motor vehicles to job sites.
- **[Core]** Tighten loose bolts, using wrenches, and test circuits and connections by opening and closing gates.
- **[Core]** Inspect electrical units of railroad grade crossing gates and repair loose bolts and defective electrical connections and parts.
- **[Core]** Replace defective wiring, broken lenses, or burned-out light bulbs.
- **[Core]** Record and report information about mileage or track inspected, repairs performed, and equipment requiring replacement.
- **[Core]** Inspect, maintain, and replace batteries as needed.
- **[Core]** Lubricate moving parts on gate-crossing mechanisms and swinging signals.
- **[Core]** Clean lenses of lamps with cloths and solvents.
- **[Core]** Test and repair track circuits.

## Detailed work activities

- Adjust the tension of nuts or bolts.
- Clean equipment, parts, or tools to repair or maintain them in good working order.
- Drive trucks or other vehicles to or at work sites.
- Inspect electrical or electronic systems for defects.
- Inspect equipment to locate or identify electrical problems.
- Inspect mechanical equipment to locate damage, defects, or wear.
- Lubricate equipment to allow proper functioning.
- Maintain work equipment or machinery.
- Record information about parts, materials or repair procedures.
- Repair electrical circuits or wiring.
- Repair worn, damaged, or defective mechanical parts.
- Replace worn, damaged, or defective mechanical parts.
- Test electrical circuits or components for proper functioning.
- Test mechanical equipment to ensure proper functioning.