Rollout of open-loop contactless fare payment begins on MiBus and Panama Metro, Panama June 23, 2026 | Latin America News, News The Panama Metro, MiBus, the Transit and Land Transport Authority / Autoridad del Tránsito y Transporte Terrestre (ATTT), and Sonda have begun installing more than 3,000 new ticket validators ac... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password