You should obey the traffic rules.

It is very important to obey the traffic rules.

We should observe our traffic rules.

You are to observe traffic rules.

The traffic rules are not often obeyed.

We should obey the traffic rules.

The policeman blamed me for ignoring traffic rules.

Drivers must observe the traffic rules.

You should obey the traffic laws when you drive.

Drivers should be aware of the traffic rules.

Every driver must follow the traffic rules.