Oct. 27 (UPI) -- Cambodia's expected renaming of U.S.-built National Highway 4 -- the 140-mile route linking Phnom Penh to the port city of Sihanoukville -- after President Donald Trump is more than a nostalgic gesture.

The proposed "Donald Trump Road" signals Phnom Penh's delicate geopolitical balancing act between Washington and Beijing.

At first glance, the move seems quirky or flattering -- a tribute to Trump's global profile and to his alleged role in brokering peace in Southeast Asia. But beneath that headline lies a layered message about Cambodia's past ties with the United States, its present dependency on China and its uneasy effort to chart an independent path between two powers.

A friendship road revisited

Built by the 1960s with initial USAID support, the highway was originally dubbed the "Khmer-American Friendship Road." It stood as a Cold War gesture of goodwill -- a concrete link between the United States and Cambodia.