In practice, some farmers directly fund small projects involving water use without getting the approval of the local government (MOAI, 2013). Agricultural products are transported by trucks, trains, and, in some inaccessible areas, riverboats (see Chapter 7 on infrastructure development for further details). The country has reasonably good primary roads and river networks, but in many areas, secondary roads are in poor conditions, particularly in the rainy season, and may require four-wheel drive vehicles or ox carts in the dry season (ARDC, 2011, HKS, 2010).