More than 200 residents attended a public hearing on proposed traffic improvements along Highway 121 — Chiang Mai’s third ring road — as the Department of Highways outlined plans for an elevated bridge and underpass at the San Khayom junction in San Sai Luang subdistrict, and a roundabout flyover at the Likhit Chewan (Nong Chom) junction in Nong Chom subdistrict, San Sai district. The