Advertising billboards are maintained through regular inspections, cleaning, and timely repairs to ensure they remain visually appealing and effective. Digital billboards require software updates and screen calibration, while traditional print billboards need replacement of damaged posters and lighting checks. Maintenance teams also monitor structural integrity to prevent safety hazards. Proper upkeep enhances audience engagement and ensures messages are displayed clearly. This process is closely tied to Advertising campaign planning, as well-maintained billboards maximize the impact of marketing strategies, ensuring that each campaign reaches its target audience efficiently and sustains brand credibility over time.