This mod comes packed with 4 custom skins and a highly customizable lightbar.
Functional stop sign
A lot of parts to choose from.
Controls:
B: Toggles front stop sign
L: Toggles rear right stop sign
K: Toggles rear left stop sign
O: Switches siren tone between Stadt or Land
Y: Switches siren tone between Wail, Yelp or HI LO (Serbia only)
U: Plays announcement through the speaker asking to clear the street.

Beta RTK4-SL Lightbar for ETK I-Series 0.9.1
Most customizable lightbar in BeamNG