Authorities have announced an alternate route to help alleviate traffic congestion caused by ongoing construction along Highway 4 (Phetkasem Road) at Kilometer 245, near Ban Nong Ta Yen, Tambon Nong Ta Taem, Pranburi District, Prachuap Khiri Khan. The detour is specifically intended for light vehicles only.

Motorists can follow the detailed steps provided through a Google Maps link to navigate the recommended route. To begin, drivers should select “Your location” as the starting point, then tap “Done” and “Start” to begin the journey. After that, they can proceed by following the directions to avoid the construction zone.
For travelers heading south, upon reaching the Pranburi Market intersection (KM 242+000), drivers should turn left onto Highway 3168. Continue for approximately 1.65 kilometers before taking a right turn into Soi Ratbamrung 18. From there, the application will provide further guidance to take a left turn at Kilometer 246+600 on Phetkasem Road and continue south safely.