翻译：政府加大宣传力度

The government enhance the traffic regulation propaganda.

如果用在报纸的标题

可以

The traffic regulation propaganda are enhanced by the Government. 因为是强调 遵守交通规则的宣传力度 所以用作主语。

甚至

Enhancement on the traffic regulation propaganda by the Government. 强调 加强。

而且政府 应该大写。

参考

enhance public awareness

the government strength the publicizing