NatureRail scenic guardrail system from Gregory provides the natural look of wood with the safety of steel. It is NCHRP 350, TL-2 approved and is a steel integrated timber product. Perfect for scenic roadways, cart paths, bridges and pedestrian/equestrian paths. Anywhere you need a safe aesthetic alternative to standard steel guardrail. NatureRail uses wood clad steel posts and does not require any special equipment for installation. Post spacing can be 6.5 ft or 13 ft to meet site requirements.