Once you reach the rank of J/O, you get access to a wide selection of placeable objects you can use to construct builds such as road closures and checkpoints. With every promotion, you'll unlock more objects to enhance your builds further.
The following is a comprehensive list of all placeable objects currently available to traffic officers:
Signs are an important tool for traffic officers of the Highways Agency. They are used to warn members of the public about hazards and to impose restrictions. A sign can display all sorts of information and it's up to you to chose the right signage when you're constructing buildings out in the field.
The following objects support the use of the signages listed below:
Billboard (Small)
Road Sign
Road Sign (Small)
Checkpoint
Checkpoint End
Checkpoint Waiting
Diversion Ahead
Diversion Ends
Diversion Front
Diversion Left
Diversion Right
Free Recovery
Highway Maintenance
Max Speed 50
No Parking
Park at own risk
Parking Left
Parking Right
Reduce Speed
Restricted Area
Road Closed