What it does:

– Adds drawbar doubles, B-doubles, B-triples, and HCT trailers in a variety of body styles to traffic.
– Adds more cargo and trailers to traffic from the various cargo and trailer DLCs.
– Adds trailers and cargo from the Oversize (Special Transport) DLC to traffic.
– Makes all single trailers with visible cargo appear in traffic with the full range of available loads.
– Adds a handful of other single trailers that SCS no longer includes.
– Adds LCV (rigid truck–dolly–trailer) combinations.
– Adds more trailers to the Freight Market.
– Adds double and triple Freight Market trailers in countries outside the SCS map areas.
– Adds versions of all SCS trucks specifically for double and triple trailers.
– Adds versions of all SCS trucks specifically for oversize trailers.
– Includes the above options for trucks from Jazzycat and TrafficManiac mods.
– New and improved mod icons and description files.
– Easter eggs.

Credits:
Mr Larrington