The Central Artery/Tunnel Project is the largest, most complex and technologically challenging highway project ever attempted in American history. The project will dramatically reduce traffic congestion and improve mobility in one of America's oldest and most congested major cities, improve the environment, and lay the groundwork for continued economic growth for millions of New Englanders in ...

SmarTraveler Boston - Real-time, route-specific, traffic, transit, and traveler information for the greater-metropolitan Boston area.