ABF, Teamsters Agree To 30-Day Extension On Negotiations by Chris Bahn Posted 3/29/2013 09:31 am Updated 5 years ago ABF Freight System Inc. and the Teamsters have agreed to a 30-day extension on contract negotiations. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access articles older than 15 days. Articles newer than 15 days are not included in this offer. Purchase Now Already have archive access? Login to view this article.