Whenever the operator
opens, breaks up or interferes with any road or street, it shall so carry out
such work as to allow room in such road or street for at least one vehicle, of
the maximum width permitted to travel along such road or street, to pass the
said works and in any case where room is allowed for only one such vehicle to
pass while the road or street is being opened, broken up or interfered with,
the operator shall not open, break up, or interfere with more than fifty yards
of such road or street at any one time and in any other case, the operator
shall not open, break up or interfere with more than one hundred yards of such
road or street at any one time.