If you’re traveling for the holidays this year, you might want to avoid these traffic trouble spots.

The American Highway Users Alliance (AHUA) has released a new study that identifies America’s 50 worst traffic bottlenecks.  The study assessed these areas of congestion using observed vehicle speed from 2014.

To nobody’s surprise, Boston found itself on the list with three nationally ranked bottlenecks occupying No. 15, No. 28, and No. 50.  

The worst location is on I-93 between the Mass Pike and US-1, which causes about 2.1 million hours of annual total delays, or a lost value of $58 million. 

The second bottleneck in Boston, at No. 28, is also on I-93 but between Edge Hill Road and West Street. This area causes about 1 million hours of annual total delays, or a lost value of $28 million.

The third, coming in at No. 50, is on the Mass Pike from Dorchester Ave to A Street, which causes about 200,000 hours of annual total delays, or a lost value of $7 million.

The nation’s worst bottleneck resides in Chicago and experiences roughly 17 million hours in total delay per year. Spots No. 2 through No. 7 are all in the Southern California – Los Angeles area.

The AHUA estimates fixing the 30 worst bottlenecks in the nation could save $39 billion in value of time saved.

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