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21 June 2017

US congestion issue unveiled by FHWA

First publishedon www.WorldHighways.com

The latest data from the US Department of Transportation’s Federal Highway Administration (FHWA) reveals that traffic congestion is worsening. The research shows that congestion is outpacing system improvements gained from investments in gridlock reduction strategies. Work such as road widening, better intermodal connections and traffic and demand management technologies are not having sufficient benefit. The result is that congestion is getting worse across the US and particularly at peak travel periods.

The FHWA’s 2016 Urban Congestion Trends report is based on data from America’s 52 most populous metropolitan areas. This shows that the average congestion worsened, with drivers spending an additional three minutes stuck in traffic compared to 2015. Some areas did see traffic improvements but these were outweighed by those that areas with worsening congestion and longer journey times.

Congestion got worse during peak hours in 2016, as represented by the Travel Time Index which compares peak hour or commuter travel times to free flow travel times. The index increased slightly to 1.35 in 2016 from 1.34 in 2015, meaning that a trip taking 10 minutes in free-flow traffic would now take 13.5 minutes during peak hours.
Other measures in the report showed a slight improvement, including the Planning Time Index which went from 2.65 in 2015 to 2.62 in 2016.  The Planning Time Index indicates how long a traveller should plan for a trip to ensure an on-time arrival – the worse the traffic, the larger the score.

American cities depend on efficiently moving traffic, and the new data shows the need to invest in technology.

Companies in this article

Federal Highway Administration
US Department of Transportation
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