butto find the
shortest route is far from trivial.If you want to find the shortest
or at least a fairly short route that will visit all the shops you have
to systematise your thinking.Often the case is that not all loads
can be carried in one vehicle,and sos ever al route shave to be
found. This article shows avariant of the famous Clarke and
Wright's saving method for transport or route planning.The
original Clarke and Wright(1964) article is not especially straight-
forward and easy to understand and implement for students;