Transportation infrastructure Upgrading Au Co – Phu Tho road Project: Upgrading Au Co – Phu Tho road phase II. Bài viết khác North-South Expressway, section Mai Son – National Highway 45 Nghi Son – Dien Chau Expressway Tuyen Quang – Phu Tho Expressway Extended Bac Son Road – Thai Nguyen City Inter-regional roads connecting Phu Tho – Yen Bai MONG CAI EXPRESSWAY – VAN DON – QUANG NINH RING ROAD 2 – HA NOI PHU THI BRIDGE, GIA LAM, HANOI NATIONAL HIGHWAY 21 NAM DINH PROVINCIAL ROAD 208 – CAO BANG Tags: