Limited opening for new motorway to Korat 5 published : 11 Jan 2021 at 20:24 5 A section of the new motorway to Nakhon Ratchasima passing Lam Ta Khong in Sikhiu district will be open to motorists from Saturday pending a safety inspection. (Photo by Chanat Katanyu) A 20-kilometre section of the new intercity motorway project linking Ayutthaya’s Bang Pa-in district and Nakhon Ratchasima will be open to motorists from Saturday, according to the Highways Departments. However, the section will only be open to motorists during certain times that have yet to be determined. Department director-general Sarawut Songsiwilai said construction of the 20km Lam Ta Klong section in Nakhon Ratchasima's Sikhiu district is 100% complete and will be open for limited use pending a safety inspection.