(Source: State Journal-Register, May 25, 2012)
SPRINGFIELD, Ill. — About 115,000 concrete ties installed in the last two seasons of high-speed rail construction must be replaced after failing to meet standards for long-term durability, officials of the state and Union Pacific Railroad said Thursday. A little more than 492,000 ties were installed in 2010 and 2011 on the St. Louis-Chicago corridor, according to state figures.
Full story: State Journal-Register