In the meantime, other cities have introduced them for the first time in an effort to reduce traffic congestion.

其它城市为了减少交通阻塞，也开始引进地铁系统。

youdao

IBM's survey reveals that 41% of respondents believe that improved public transportation would reduce traffic congestion.

IBM的调查表明41%的受访者相信改进公共交通能够减少交通拥堵。

youdao

The bridge was built to reduce traffic congestion, cutting travel time between Shanghai and Ningbo from 4 hours to 2.5 hours.

这个大桥是为了解决交通拥塞而建的，它可以将上海和宁波的交通时间由4小时缩短为2.5小时。

youdao

To ease traffic congestion,Clark says, Houston transportation officials created special safety programs to reduce the number of accidents, which tie up traffic.

VOA: standard.2010.07.26

Trains are fuel efficient, they relieve traffic and airport congestion and they also reduce our dependence on foreign oil, making passenger trains the safer,cleaner, greener transportation option."

VOA: standard.2010.02.15

The proposal is part of a "managed motorway" scheme which aims to reduce traffic congestion.

BBC: M1 motorway between junctions 32 and 33

The county council said the route will reduce traffic congestion and support Lincoln's growth as a principal urban centre.

BBC: Lincoln east-west route plans on display

Several big projects to reduce traffic congestion in Bangkok continue to plod ahead.

ECONOMIST: How much should you bet on Thailand? | The