From source link https://www.facebook.com/504326237811282/posts/647217466855491, secondary road from 8.2736782, 100.1554019 to 8.3365002, 100.1559115 can be newly added RNR นศ. 4089. Evidence of route number plate is at 8.3365002, 100.1559115 and direction of route can be refered from https://gisportal.drr.go.th/portal/apps/webappviewer/index.html?id=a84bfbb4360147bcb8f17a9aacea83be