Tractors with trailers in road traffic

Now full version again.
Returned back Todor Alin Logs and hayes trailers.
Fixed prioblem with bad weather issue.
Fixed with left blinkers in SCS trailer.
Spawn ratio set to minimal 0.5
County frequency set to 0.1 (less have no effect)
Tractors work from 5:00 till 21:00 one hour each 3 hour, so it not so annoying.
Tractors without traders, if you see something wrong.

Credits:
piva, Todor Alin, AlexeyP