King Chulalongkorn (Rama V) was a monarch who made immense contributions to this region, driven by his profound faith in the Buddha's Footprint, which led him to make numerous pilgrimages and provide royal funds for the magnificent restoration of the Mandapa seen today. Furthermore, he laid the foundation for modern Thai transportation by personally visiting the challenging rock-blasting sites during the construction of the railway, where he inscribed his royal initials at Pha Sadet to boost the morale of the workers. His determination not only preserved essential religious landmarks but also opened the doors to Thailand's economic and social development through this historical railway line that remains vital to this day.