The traffic increase comes at the same time as gas prices drop significantly.

交通流量增加的同时，汽油价格大幅下跌。

youdao

With the traffic increase, old road widening is found to be an important issue in the road construction.

随着交通量的日益增加，老路拓宽已经成为公路建设非常重要的~种手段。

youdao

They may have to widen the road to cope with the increase in traffic.

他们可能得拓宽这条道路以适应车辆的增多。

《牛津词典》

Some say the new cars will increase India's traffic and pollution problems.

VOA: special.2009.03.28

Its December figures ended a good year for the airport, which reported an annual traffic increase of 4.2%.

BBC: Edinburgh Airport reports fall in passenger numbers

This mobile data traffic increase represents a compound annual growth rate (CAGR) of 78 percent spanning the forecast period.

ENGADGET: Cisco: mobile connections will hit 10 billion by 2016, helped by tablet boom

Some will say that an 8% traffic increase in one area is significant, particularly as the measurement period was straight after the scrapping of the scheme.

BBC: London