- Mod adds in traffic copies of all SCS stock police and emergency vehicles with beacon and personalized siren sounds, spawning alongside original vehicles and at the same spawn ratio
- All vehicles have personalized sounds for all ATS states covered by SCS and generic vehicles (which can spawn at low ratio everywhere) are equipped with the most iconic US siren sounds
- each vehicle can spawn only with beacon or with beacon and sound, while the sound is also not continuous
- each siren sound has a length between 20-30 seconds and the gap until the sound will start again is random
- all vehicles have also engine sound (imported from Real Ai sounds)

other mod features only available if used together with Real Traffic Density mod:

- emergency vehicles can also spawn on the local roads at the same low frequency as the police cars
- Ai vehicles spawning in cities will be more likely to have a sound than those spawning outside cities

future updates:

- cloned generic vehicles with personalized sounds for States not covered by SCS
- an ETS2 version is foreseen as well in the near future

Credits:
Cip, SCS