Smart concrete could pave the way for high-tech, cost-effective roads

The Conversation

By Luna Lu and Vishal Saravade

November 12, 2020

Every day, Americans travel on roads, bridges and highways without considering the safety or reliability of these structures. Yet much of the transportation infrastructure in the U.S. is outdated, deteriorating and badly in need of repair. Of the 614,387 bridges in the U.S., for example, 39% are older than their designed lifetimes, while nearly 10% are structurally deficient, meaning they could begin to break down faster or, worse, be vulnerable to catastrophic failure. The cost to repair and improve nationwide transportation infrastructure ranges from nearly US$190 billion to almost $1 trillion. Repairing U.S. infrastructure costs individual households, on average, about $3,400 every year. Traffic congestion alone is estimated to cost the average driver $1,400 in fuel and time spent commuting, a nationwide tally of more than $160 billion per year.


View the full article: TheConversation.com

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