Sandon resident said the road could be closed for up to two years
Fish will spend roughly 20 seconds inside the system, moving at roughly 20 metres per second
Water levels rising now after months of drilling and blasting at the Big Bar site north of Lillooet
Pressure has been on senior governments working with First Nations to remove rock at slide site
Christine Nielsen, her husband and two kids drove up only a couple of hours before the road washout
Route closed early Tuesday morning, may open in afternoon