Manila, Sept. 6 -- Five national road sections in the Cordillera Administrative Region and Cagayan Valley Region have been rendered impassable to all types of vehicles due to the combined effects of "habagat" or the southwest monsoon and a low-pressure area (LPA), the Department of Public Works and Highways (DPWH) said Saturday.

In a report to DPWH Secretary Vince Dizon, the Bureau of Maintenance confirmed that as of 10 a.m., the following road sections are closed:

1) Baguio-Itogon Road (Tertiary Road), K0263+200, Sitio Goldfield, Barangay Poblacion, Itogon, Benguet, due to soil collapse;

2) Balbalan -Pinukpuk Road (Tertiary Road) K0522+800-K0522+820, Pinukpuk Jct., Pinukpuk, Kalinga, due to soil collapse;

3) Lubuagan-Batong Buhay-A...