Let to contract in July 1914, the concrete highway opened on November 15, 1915.
The highway opened to traffic on July 20, 1935.
The highway opened September 13, 2008 at a cost of $685 million.
However, by the time the highway opened, it was officially designated as I-487 instead.
The nearby town has grown considerably since the interstate highway opened in the late 1960s.
The highway officially opened in 1962, and was completed in 1971.
The highway opened in 1997, and highway cost roughly $1.6 billion.
The highway opened in February 2001, nine months ahead of schedule.
The projected time of completion is set around 2014, but the highway could open as soon as early 2013.
The highway later opened to traffic on April 2, 2007.