某些城市在某些时段禁止货车通行,如何翻译?

某些城市在某些时段禁止货车通行
the freight vehicles was prohibited to pass through in certain time interval in certain cities

在七点钟之前,有些路货车禁止通行
some freight vehicles was prohibited to pass through before seven o'clock

某些城市在某些时段禁止货车通行
Certain cities pass through in certain time interval prohibitionfreight vehicles
在七点钟之前,有些路货车禁止通行.
Before seven o'clock, some groups freight vehicles prohibition pass through

In some cities trucks (lorries, vans) are prohibited (from entering) during certain period of time (for instance before 7 o'clock).