Sichuan-Tibet Highway History Guides

Tongmai Natural Barrier Then and Now: What G318's Former 'Death Zone' Looks Like Today

The Tongmai Natural Barrier—G318's former 'death zone,' a 14-kilometer cliff-edge road that claimed countless vehicles every year. After the Tongmai Grand Bridge and five tunnels opened in 2016, the barrier became a smooth passage. But the history, the old road remnants, and the scenery along the way are still worth stopping to see.