 During his term, he did not support Congressional proposals to split the Northeast Corridor (the segment from Boston to Richmond) from the rest of Amtrak's operations; nor did he envision shedding the long distance east-west routes of Amtrak.Kummant submitted his resignation on November 14, 2008.Upon his resignation, Amtrak COO William Crosbie assumed the role of interim CEO, but was succeeded on November 25 by former FRA administrator Joseph H. Boardman.