The length of the province's highways reached 138,000 kilometers by 2012, with a highway density of 87 km/100-sq-km. It had 5011 kilometers of expressways, an increase of 1,006 km from the previous year, putting it among the top five provinces. The expressway network covered 108 of the province’s counties, cities, and districts, while the condition of arterials significantly improved, bringing 96.3 percent of its national roads and 85.5 percent of provincial roads up to secondary road standards. Its highways handled 732 million tons of freight in total, up 12.2 percent from the previous year, and 337 million passengers, a year-on-year increase of 2.4 percent.