Roads quality - Country rankings:
The average for 2015 was 4.04 points.The highest value was in the United Arab Emirates: 6.61 points and the lowest value was in Guinea: 1.94 points. Below is a chart for all countries where data are available for: Roads quality.
Quality of roads, 1(low) - 7(high), 2015
(points, Source: World Economic Forum, TheGlobalEconomy.com)