I tried to keep the sizes as realistic as possible.
The download contains 2 files.
1 - The Actual prefab [tollbooth_prefab.vmf]
Which goes in:
C:\Program Files (x86)\Steam\steamapps\common\Counter-Strike Global Offensive\bin\prefabs
2 - The Scene [tollbooth_scene.vmf]
Most of the props are from the new nuke map update.
Some of the textures will not be available when you add this prefab [Custom textures], as well as the skybox used in the scene.
The door & the security fence is not working.
If you use this, a little credit would always be appreciated.