Pack adds in traffic truck+trailer combo with skins of 998 real companies.
All standalone. 
Works on any maps.
Tested on 1.40.x
Compatible with all my packs.
Skins: TerRay, ScaniaLAD, IJ's Mods, AJFV1998, Millsyb, Speedy66666, harry, Sky76, JE80, Trucker2011, KHAOS-XX, RCPHiL, S&S-Skinning, Fred_be, Woody, nportegies, Repin, BartvHam, Barttt, ThreeGlavModz, MaxLowe, Freddy Jimmink, Elitesquad Modz, Zoso, Bluemanc, stewowe, Toft-N, Sparrow, DHL, SISL, indian56, radar, Josiesomething, Oswald, Rudy, steini, senator07, lucianandrei, 19vvv05, ryaskins, n.velickovic, ed101, Slenderhun, Futrzaczek99, Farmerbeavis, eskolaite, kriistof, ECdesign, Dragan007, Stephana Stephen, Campinges, DavyBerto, DrRossi, DaviD_SRB, klunk, Bayun4ik, A.Mikhaylov, Pirelli81-HUN, Zeros, Fabry85, onurkull, sagittariusjr, Sogard3, TheNuvolari, KoviqkS, SilvaTrucker, R3AP3R, Roman71, Lost Virtual and others.
 
Version 12.5.2 -  trailer models were reworked under the new optimization standards of the patch 1.40.x