Clearance
Teeth of a Comb
This operation was arranged in order Tohoku Expressway and Route 4 enable to reach to the major coastal roads such as Route 6 and Route 45, where serious damages were estimated.
![photo](images/lower/thumbS01.gif)
Channel clearance
The channel clearance and the restoration of some anchorage area enabled receiving relief supplies at ten major ports by March 23.
![photo](images/lower/thumbS02.jpg)