G4217 Chengdu–Chamdo Expressway

The G42 17 Chengdu–Chamdo Expressway, also referred to as the Rongchang Expressway , is an under construction expressway in China that connects the cities of Chengdu, Sichuan to Chamdo, Tibet.

Route
The expressway starts in Chengdu, and continues through Dujiangyan, Wenchuan County, Li County, Barkam, Garzê County, Dêgê County and Jomda County, before terminating in Chamdo. The section from Barkam to Chamdo is still under construction.