'Those who do need to drive should exercise extreme caution and allow plenty of extra travel time.' It has since been reopened. 'If you do not leave when asked to it will be too dangerous to stay and you may be trapped without power, water and other essential services by 8am.' Use an alternative route. Rescue crews used boats and helicopters during the evacuations.
ever since the reopened road has have many accidents.
( z0 accident :quant ( z1 many ) :ARG0-of ( z2 cause ) :time ( z3 since :mod ( z4 ever ) :op ( z5 road :ARG1-of ( z6 reopen ) ) ) )
(z0 / accident
    :quant (z1 / many)
    :ARG0-of (z2 / cause-01)
    :time (z3 / since
              :mod (z4 / ever)
              :op1 (z5 / road
                       :ARG1-of (z6 / reopen-01))))
ever since the reopened road has have many accidents .
z3 :mod z4
z5 :ARG1-of z6
z3 :op1 z5
z0 :quant z1
z0 :time z3
z0 :ARG0-of z2