Krom Luang Phetkasem

Krom Luang Phetkasem is a major highway in Thailand, officially known as Route 4 or Highway 4. It stretches approximately 1,300 kilometers from Bangkok to the southern provinces, connecting the capital with major cities and seaports. Named after a royal title, it plays a vital role in transportation, trade, and tourism by facilitating movement along Thailand’s western coast. The highway passes through diverse landscapes, including bustling cities, rural areas, and coastal regions, making it a crucial artery for economic activity and accessibility across southern Thailand.