Fourteen road sections in Bulacan became impassable due to typhoon "Ulysses" Thursday.

Initial road assessment by the Department of Public Works and Highways showed that 14 sections of nine national roads are not passable as of 10 a.m.
Three sections of the Manila North Road were closed.
The Banga Section is not passable to light vehicles due to .40-meter deep flood; Saluysoy Section in Meycauayan, Bulacan is also not passable to light vehicles due to .30-meter deep flood; and Ibayo Section (SM Marilao) in Marilao, Bulacan is impassable to light and medium vehicles due to .50-meter flood.
The Salacot Section of the Daang Maharlika Road in San Miguel, Bulacan and the San Ildefonso Section in San Ildefonso, Bulacan became impassable to all types of vehicles due to .20-meter deep flood and fallen electrical posts, respectively.
The road's Maasim Section in San Ildefonso was also closed to light vehicles due to .30-meter deep flood.
Camias Section of thebSan Miguel - Sibul Road in San Miguel is not passable to light and medium vehicles due to .80-meter deep flood.
Partida Section of the Sta. Maria-Norzagaray Road at the Norzagaray-Sta.Maria boundary will remain impassable until the fallen camachile tree in the area is cleared, the department said.
The Gen. Alejo Santos Highway in Angat, Bulacan also became impassable to heavy and large vehicles due to fallen tree.
The Sta. Rita-Camias Old Road in San Miguel is not passable to light vehicles due to .50-meter deep flood.
A .30-meter deep flood also caused the closure of the Camalig Section of the Meycauyan-Camalig Road, a section of the Sta. Maria Bypass Road in Sta. Maria, Bulacan, and the Bagbaguin Section of Bocaue-San Jose Road in Sta. Maria.
All three road sections are not passable to light vehicles.
According to the department, roving maintenance personnel and crew have been deployed to undertake initial response and monitoring of the affected road networks.
"Rest of national roads and bridges are passable with extra caution," it added.
Four road sections in Zambales were also affected.
As of 11 a.m., a section of the Olangapo-Bugallon Road was flooded due to overflowing NIA waterway. Sandbagging of the flooded portion have been done, the agency said.
The Kalaklan Gate Bridge of Olongapo-Bugallon Road was also flooded. Maintenance crew were already deployed to clean its bridge drains.
Another section of the road became impassable due to its obstructed canal. Clearing operations are now under way.
Soil erosion was reported on Jose Abad Santos Ave. Sandbagging on the affected section have been implemented.
According to the department, roving maintenance personnel and crew have been deployed to undertake initial response and monitoring of the affected road networks. Heavy equipment were also pre-positioned in flood and landslide prone areas.