Description
Since the initial construction began in 1988, the turnpike was completed in a number of phases, as described here:
Segment I (North Dallas). Extends from Campbell Road to Midway Road, and includes the Dallas North Tollway and U.S. Highway 75 (Central Expressway) interchanges. Opened in December 1998.
Segment II (Garland/Richardson). Extends from Campbell Road to State Highway 78. Opened in 2000.
Segment III (Carrollton). Extends from Midway Road in north Dallas to Interstate 35E. Opened July 2001.
Segment IV ("PGBT Superconnector"). Connects I-35E to the I-635 airport extension. It covers 5.2 miles (8.4 km) and was built at the cost of $339 million. Much of the expense is because the segment is built within the Trinity River wetland and comprises many miles of bridges. Construction began in January 2003 and was completed in October 2005.
Segment V (Irving). A 3.9-mile (6.3 km) segment connecting the I-635 airport extension to the SH 161 freeway near Belt Line Road. It opened in December 2001. Unstable clay soil was a significant problem in this segment, requiring contractors to use concentrated liquid stabilizers and geosynthetic reinforcement.
Segment VI (Irving/Grand Prairie) Extends from SH-183 to I-30 in Grand Prairie. Opened in late 2009.
Segment VII (Grand Prairie) Goes from I-30 in Grand Prairie to I-20. Opened in late 2010.
Segment VIII ("Eastern Extension") Extends from SH-78 in Garland, through Rowlett and Sachse and back into Garland at I-30. The project, with a price tag of $1.04 billion, included construction of a 1-mile bridge at Lake Ray Hubbard. The NTTA received environmental clearance in 2005 and construction began in October 2008. The highway opened to traffic on December 21, 2011 and on-time as proposed in the original bid. Cosmetic work will be ongoing into early 2012.
Segment IX ("East Branch"). Extends from I-30 in Garland to I-20 in Mesquite and includes the US-80 interchange. The project is in the planning stages, with an Environmental Impact Statement in preparation as of January 2012.
Read more about this topic: President George Bush Turnpike
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