American Z Lines has released a runner pack and single of PRTX tank cars. The cars have the 'Asphalt 1' logo  in red, white and blue. 

Road Numbers To Be Announced

Features:

• Extensive metal railings  
• Multi-color pad printing 
• Roller bearing trucks with blackened metal wheels
• AZL's AutoLatch automatic couplers

Expected Release: September 2011