[Request] Traffic script

We need a script that can stop traffic in a radius around the player.
we are a dutch roleplat clan foccusing on the dutch emergency services. if we do transports trhough traffic we need to stop all traffic on the junction, or crossing.
so basicly we need something to stop al traffic in a certain amount of radius.

hope you guys can help us,

many thanks,
NRC

I would be interested in this.

Are you referring to when you have emergency lights and sirens on?