The simulation model may prove very useful to the decision
making process because the authorities can easily estimate the
loss of economic benefit derived from both budgetary constraints
and inadequate contracting formulas. Similarly, the results from
this simulation model can be used to explain to users the benefits
they stand to gain from adequate road maintenance and, therefore,
justify the application of a charge or an increment in the fuel price
to finance it. In this respect, the total benefits arising from adequate
road maintenance are extremely substantial. Therefore,
governments bear a great deal of responsibility for implementing
the most satisfactory type of financing and contracting formulas
for achieving optimum social benefits