South Boston in the context of "Ted Williams Tunnel"

The Port of Boston (AMS Seaport Code: 0401, UN/LOCODE: US BOS) is a major seaport located in Boston Harbor and adjacent to the City of Boston. It is the largest port in Massachusetts and one of the principal ports on the East Coast of the United States.

The Port of Boston was historically important for the growth of the City of Boston, and was originally located in what is now the downtown area of the city, called Long Wharf. Land reclamation and conversion to other uses means that the downtown area no longer handles commercial traffic, although there is still considerable ferry and leisure usage at Long Wharf. Today the principal cargo handling facilities are located in the Boston neighborhoods of Charlestown, East Boston, and South Boston, and in the neighboring city of Everett. The Port of Boston has also been an entry point for many immigrants.

The Big Dig ceiling collapse occurred on July 10, 2006, when a concrete ceiling panel and debris weighing 26 short tons (52,000 lb; 24,000 kg) and measuring 20 by 40 feet (6.1 by 12.2 m) fell in Boston's Fort Point Channel Tunnel (which connects to the Ted Williams Tunnel). The panel fell on a car traveling on the two-lane ramp connecting northbound I-93 to eastbound I-90 in South Boston, killing a passenger and injuring the driver. Investigation and repair of the collapse caused a section of the Big Dig project to be closed for almost a year, causing chronic traffic backups.