Cushman Succeeds Weaver as President of P.A.M. Transportation by Arkansas Business Staff Posted 7/13/2009 01:12 pm Updated 3 years ago Robert Weaver has been replaced as president of P.A.M. Transportation Services Inc. of Tontitown after 19 years. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access stories older than 20 days. Purchase Now Already have archive access? Login to view this article.