In the past, there was often an automatic reaction to increased traffic: just widen the roads, says Mark Poch, the Bellevue Transportation Department's traffic engineering manager.

贝尔维尤交通部交通工程经理马克·波奇 (Mark Poch) 说， 过去，人们通常会对交通流量增加做出自动反应：拓宽道路。