
TOKYO -- Obayashi is under investigation for allegedly trying to rig bidding for contracts related to Japan's first commercial high-speed maglev train line, a megaproject that the country's construction companies hope will keep earnings healthy after the current redevelopment boom fades.
Prosecutors raided Obayashi's Tokyo headquarters and other offices on Friday in search of evidence that the Japanese contractor obstructed bidding for a contract from Central Japan Railway, or JR Tokai, to build an emergency exit in Nagoya for the magnetic-levitation train line, known as the Linear Chuo Shinkansen.