Vehicles move at a snail’s pace on the Dau Giay - Phan Thiet Expressway. Long lines of vehicles on the Dau Giay - Phan Thiet Expressway. Most of the vehicles are from the Ho Chi Minh City - Long Thanh - Dau Giay Expressway. Vehicles move at a snail’s pace on the Dau Giay - Phan Thiet Expressway. Most of the vehicles are from the Ho Chi Minh City - Long Thanh - Dau Giay Expressway.