Pack adds in traffic 92 different trailers.
Included trailers by Mac, Fontaine, Wilson, Travis, Lode King, Cheetah, SmithCo, Trail King, Trinity, Heil, CMW, Rogers, Beall, Kalyn Siebert, Pitts, Kentucky Trailer, Cobra, Tremcar, Manac, Fabrex, Arctic, Featherlite, Meridian and others.
All standalone. 
Only quality lowpoly models - no FPS drop.
AI cables simulation compatible.
Works on any maps.
Compatible with AI packs by Jazzycat.
For version 1.38.x
Models and skins by: SCS Software, Giant Software, SoftLab, Polygonish, Cape, KMN Modding, DocElyoc, Bcbuhler, Dogebilt, Jura2470, Dietz Modding, andrei383, bansheewoj, Yankee Trucker, B4RT, Ivan, Corey, Obeja, MuhaBZzz, SheryO, PigPen, RubberDuck73, habdorn, Jessy, Chief86, Smarty and others 

Version 3.2 - added in traffic Tremcar tank trailer.