High Occupancy Vehicle (HOV) lanes help optimize traffic flow and reduce congestion on busy roadways. This R3-15 standard sign provides critical advance notification to drivers, allowing them to safely and efficiently transition into or prepare for dedicated HOV lanes. Constructed from durable, high-quality aluminum standard punched blanks, the sign features highly reflective material that ensures maximum visibility during day and night conditions. Fully compliant with Department of Transportation (DOT) and Manual on Uniform Traffic Control Devices (MUTCD) standards, this sign meets all regulatory requirements for traffic signaling and driver information. The sign's robust design ensures long-term performance in challenging environmental conditions, making it an essential tool for transportation departments, construction projects, and traffic management professionals seeking to enhance road safety and traffic organization.