Asphalt paving construction: Caterpillar AP-1050B hot mix asphalt paving machine is disconnected from feeder truck and is backing up (right to left in photo) to position itself for paving the adjacent lane. The AP-1050B has 10 ft basic screed, will pave a maximum width = 30 ft, has 15 ton hopper, and weighs 42,500 lb. It is receiving the hot mix asphalt concrete from a rear-conveyor hot asphalt delivery trailer. Eisenhower Parkway, Ann Arbor, Michigan 2005.