The Republic of Yemen has experienced steady development in the recent past and its Gross Domestic Product (GDP) per capita is approaching US$1,000. By many aspects, Yemen is unique. It is still a rural country (with more than 70 percent of the population living in the countryside). It has about...

Yemen should be credited for achieving an ambitious road building program over the last 25 years, and establishing a large primary road network given its level of Gross Domestic Product (GDP) and population size. With the condition of 60 percent of the paved network rated good or very good,...