This package includes Road signs, Traffic Lights and complete road and highway set with bridges and it comes with different colors so it will match your scene.
Each model comes with its own .3ds file and UV Layouts are included as well. All roads are detachable its not 1 peace.
For bonus I will included:
Country Roads
City Roads
Highway roads
All models are in .3ds multi format
Just to warn you this folder contains 198 MB of files I have included all of my projects and when you uncompressed it will be 202 MB so you will have lots of toys to play with 