Arkansas Best, Teamsters Extend Contract, Await Approval Of New Deal by Chris Bahn Posted 5/30/2013 01:41 pm Updated 5 years ago ABF Freight System Inc. and the Teamsters have extended their current labor contract through the end of June while waiting on union workers to approve a new deal between the two parties. 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.