Amtrak's eastbound California Zephyr hauls a new ACS64 (Amtrak Cities Sprinter) east along the former D&RGW near Wellington, Utah on June 7, 2013. Manufactured by Siemens in Sacramento, Amtrak has placed an order for 70 ASC64s at a cost of $466 million to serve on the Northeast Corridor between Washington D.C. and Boston and the Keystone Corridor between New York City and Harrisburg.