Stable approaches to bridges are specially important in flood prone areas. There are many examples of the success of VS when applied for this purpose. Further vetiver can be established on such slopes even in the driest areas because there is always adjacent water that can be used to help establish the plant. It is high time that government planners, designers, consultants, contractors, and lenders (particularly the international bilateral and multilateral donors) start to take VS seriously. VS provides stability at low cost, and saves significant dollars in annual maintenance
Those of you working with roads in Haiti - here is a cheap and relatively easy solution.