Ok thankyou

@george.renner The CIMTrans vehicles are not the reason for that symbol. The reason is the custom snowplows.

As I explained in the Street Sweeper Plow: https://sp.zhabite.com/sharedfiles/filedetails/?id=1216251893&searchtext=sweeper

There is a bug in the game in which ANY custom snowplow (not only mine, but everyone's) will cause a snow on road bug after rain in summer maps. That's why I made a plow version of the street sweeper so you can use it with my invisible spawn points to sweep off snow from the roads in "summertime"

For some reason, your cim trans vehicles are activating the snow symbol on roads on summer maps. Why is this happening?

Damn, that's a good looking truck. Well done.