Weird lag

[Olli]

Hey i have been now having this weird lag every now and then while driving on a server. Basically i don't seem to lag and my ping is stable but then suddenly 5 or more players start to "lag" for me by staying at the same place. This has now increased during the last three weeks now happening sometimes more than once a day. Previously i solved the "lag" by just reconnecting to the server and it didn't really bother me until now when i keep on losing my chases, because of this happening too often and i can't do anything than leave the server. I don't have any clue what could cause this only thing that came in my mind is this which i downloaded few months ago: http://forum.city-driving.co.uk/showthre...ht=leatrix So might anyone of you know what causes this problem i have got now too often?
Few shots i took while "lagging".

Spoiler (Click to View)

Spoiler (Click to View)