Right-of-Way Pest Control
Right-of-way pest control manages vegetation along roads, railways, utility corridors, pipelines, and similar sites. The exam tests selective versus nonselective control, drift prevention, sensitive-area protection, calibration, and recordkeeping.
Core rules
- Vegetation management is site-specific: bareground, low-growing, or selective brush control depending on safety and access needs.
- Protect adjacent crops, gardens, water, wells, schools, and residences; use buffers, low-drift nozzles, and appropriate wind or inversion decisions.
- Some products are restricted near water; check aquatic-labeled products and state permits.
- Use basal, cut-stump, or directed treatments near sensitive plants; broadcast sprays need accurate swath and boom height.
- Maintain sight distance and structural integrity; do not kill desirable grasses that prevent erosion.
- Coordinate with landowners, railroads, and utilities; follow notification requirements.
Worked example
A roadside strip is 20 ft wide and 1 mile long. Area is 20 times 5,280 = 105,600 square feet; divided by 43,560 = 2.42 acres. Label rate is 4 qt product per acre. Product is 4 times 2.42 = 9.7 qt. Reasoning: convert length and width to square feet, divide by 43,560 to get acres, then multiply by the label rate. Measure swath and ground speed rather than estimating.
Traps
- Treating when wind carries spray to crops or gardens.
- Using a nonselective herbicide where grass cover is needed.
- Ignoring water setbacks for ditches and wetlands.
- Mixing by eye rather than calibrated measurement.