GE Lighting proposed an outdoor lighting solution for the Doha Tunnel in Qatar, utilizing 2450 pieces of PFE-400 and 1355 pieces of T5 tunnel LED systems. The design focuses on aesthetics, energy efficiency, low maintenance, and minimizing flicker, aiming to enhance safety for drivers. Key specifications include a lumen output of 5400 with an operational lifespan of 50,000 hours under optimal conditions.