Rural Road Investment Efficiency : Lessons from Burkina Faso, Cameroon, and Uganda

access to markets agricultural growth agricultural production agricultural productivity agricultural products bicycles bitumen bridges cargo cash crops crop production drainage farm size farmers food consumption food crops gps gravel household consumption household income household surveys income landslides local authorities means of transport modes of transport population density ports poverty reduction public roads public works rain reconstruction road transport rural areas rural communities rural development rural population rural poverty safety small farms taxis terrain tracks traffic transaction costs transport transport infrastructure trucks tunnels vehicles verge walking