The publisher will use AdFast at its nine national monthly and fortnightly titles, 24 regional weeklies and bi-weeklies, 14 free papers and the Auto Trader titles.
Auto Trader head of production Andy Greenall said: "We have been watching AdFast for some time and feel confident that it has the capacity to suit our needs."
AdFast more than doubled its traffic last year, while the number of companies using the system rose from 509 in November 2003 to 1,982 in November 2004.
l In its first ever Annual Regional Press Survey, the NS has found that the UK regional press industry reached a turnover of 4.0bn in 2003. Contract print accounted for 203.4m of that revenue.
NS signs up 50 Trader titles to AdFast system
The Newspaper Society (NS) has won its biggest single AdFast client, signing 50 Trader Media Group titles to the ad delivery system.
