Los Angeles has been named the most congested city in the U.S., where drivers wasted an average of 81 hours per year stuck in gridlock, according to data-provider Inrix.

Los Angeles surpasses other cities with heavy congestion such as Washington, D.C. (75 hours), San Francisco (75), Houston (74), New York City (73), Seattle (66), Boston (64), Chicago (60), Atlanta (59), and Honolulu (49).

Drivers in these cities spent 8 billion hours in congested traffic.

The greater Los Angeles area has four of the world's most-congested freeway sections, including the southbound 101 Freeway between Topanga Canyon Boulevard and Vignes Street; the 5 Freeway between Highway 133 in Orange County and Olympic Boulevard in Los Angeles; the 10 Freeway between the city of Santa Monica and Alameda Street; and the northbound 101 Freeway between the 60 Freeway and Haskell Avenue.

Of the other gridlocked corridors, three are in Moscow. These are followed by roads in London, Brussels and Munich. Among the world's most gridlocked cities, London topped the list with an average of 101 hours wasted per year in traffic, followed by Stuttgart (73 hours), Antwerp (71), Cologne (71) and Brussels (70).

Read the full Inrix report here.