Traffic jams 🚗 🚗 🚗

Today, we have a big problem: Traffic. There are too many cars in cities and sometimes outside cities, too.(p.6)

     According to this book, Traffic jams isn't a new problem.  Before cars, people used vehicles with horses. There were a lot of them, and they made a lot of noise. A famous English writer, Samuel pepys, wrote about London traffic jams 350years ago.

Traffic jams : the road ahead

Simon Beaver

New York : Cambridge University Press, 2014