The road runs near places such as Pratunam Intersection, Pantip Plaza, Platinum Fashion Mall, Embassy of The Republic of Indonesia, Tourism Authority of Thailand (TAT), and Saint Dominic School.
The name honors one of the members of the Thai royal family, Valaya Alongkorn, Princess of Phetchaburi.
In 1962, the road was extended from Pratunam to the end of the Khlong Tan, officially opening the following year.
[1][2] New Phetchaburi Road became infamous in the 1960s and early-1970s for its "American strip" of bars, massage parlours, brothels, and clubs frequented by US GIs on leave from Vietnam.
A gas tank truck overturned, resulting in an explosion of LPG which caused a great fire.