The average American driver spent more an hour a week stuck in traffic last year.

Congestion cost U.S. drivers nearly $305 billion in 2017, an average of $1,445 per driver, according to the INRIX Global Traffic Scorecard, which analyzes the impact of traffic congestion in 1,360 cities across 38 countries worldwide. The U.S. accounted for 10 of the 25 cities globally with the worst traffic congestion.

Los Angeles topped the list of the world's most gridlocked cities for the sixth straight year, with drivers spending 102 hours in congestion in 2017 during peak times, costing a driver roughly $2,828 from direct costs -- fuel and time wasted -- and indirect costs -- freight and business fees from company vehicles idling in traffic, which are passed on to households through higher prices.

In New York, the I-95 Cross Bronx Expressway is the most congested road in the U.S.

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These are the U.S. cities where drivers waste the most time sitting in traffic.

This article was written by a staff member of TheStreet.