REAL TRAFFIC DENSITY AND RATIO V1.6 BY CIP ATS

v1.6
– added necessary files for doubles/triples/heavy trailer in traffic addon
– adjustments of traffic ratio: more trucks on motorways in evening and nightime
– corrected frequency and count numbers to more realistic values allowing correct ratio cars/trucks/buses
– added spawn_distance_forward parameters, allowing traffic to spawn at further distance
– Most of Ai vehicles will turn on lights on bad weather
– Trucks will always haul a trailer
– limited slow vehicles only 4 hours in the morning and 4 hours in the evening