As the war progressed, communist forces expanded and improved the Trail, moving material by truck, installing missile batteries for air defense and laying fuel pipelines.

Emergency vehicles could not approach due to a fuel pipeline destroyed by the crash and blocking the narrow road.

Those opposing the legislation say it might make it harder for the Government to require more frequent inspections and more sophisticated safety equipment on fuel pipelines.

Government regulations in Canada and the United States require that buried fuel pipelines must be protected from corrosion.

The company is largely depending on "right of way" technology, which enables existing fuel pipelines, sewage lines and electricity grids to piggyback telecommunications equipment.

The marines, for example, are laying a long fuel pipeline in Iraqi territory.

The city's major water supply lines, sewer lines as well as liquid fuel pipelines run right through the fault zone.

Also the fuel pipeline is broken in two places.

The fuel pipeline would be repaired in an hour, the engineers said.

To propel the division to Baghdad and beyond, the Army has run fuel pipelines from Kuwaiti refineries to a helicopter airfield in the desert.