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Designing a commercial parking lot lighting system requires a careful balance between broad illumination, glare control, and budget management. While lower mounting heights can leave wide coverage gaps and taller poles often introduce high wind-load engineering challenges and complex installation requirements, 20-foot poles represent the industry sweet spot for medium to large commercial properties. At 20 feet, high-output LED area lights deliver wide, uniform coverage across vehicle rows and drive aisles, eliminating dangerous shadows without creating blinding glare for drivers or spilling excess light onto neighboring properties. In this guide from LED Light Expert, we explore why 20-foot light poles remain the most versatile, cost-effective choice for modern commercial parking lots—analyzing how this optimal height simplifies fixture spacing, enhances site security, and maximizes your long-term lighting ROI.