Horseshoe Project

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Horseshoe Interchange
Location
Dallas, Texas
Roads at
junction:
I-30 (Tom Landry Freeway, East R.L. Thornton Freeway)
I-35E (South R.L. Thornton Freeway, Stemmons Freeway)
Construction
Type: Modified stack interchange
Constructed: 1958-1962 (Mixmaster)
2013-2017 (Horseshoe) by Pegasus Link Constructors
Maintained by: TxDOT

The Horseshoe Project was a $798 million[1] highway project that was under construction in Dallas, Texas. The Horseshoe upgraded the congested Mix Master interchange in Downtown Dallas. The Mix Master is a highway interchange which includes Interstate 35E (I-35E) and I-30. Construction began during the spring of 2013 and end in 2017. Pegasus Link Constructors, a partnership between Balfour Beatty Infrastructure and Fluor Enterprises, used a design-build method. The project included design elements from Spanish architect Santiago Calatrava.

Overview[edit]

In its current state, the Mix Master is among the 17 most congested roadways in Texas, seeing more than 460,000 vehicles in a week.[2] The project will replace the bridges of I-30 and I-35E that cross the Trinity River that were built in the 1930s and 1950s and the two highways will have a combined 23 lanes (the current interchange only has 16).[3] $500 million will come from the federal government and the other $298 million will come from the state and local governments.[4]

The Mix Master[edit]

The Mix Master was constructed between 1958 and 1962[5] and never saw much significant change since its construction. Minor improvements included converting the shoulders to travel lanes and elevating the HOV Lane for I-35E over the interchange to Houston Street and Jefferson Boulevard. At the time of construction, most freeway traffic in the area went into Downtown, whereas today most bypass it. As a result, the interchange was designed accordingly and had incomplete access along with on-ramps in close proximity to off-ramps that results in a lot of weaving in and out of traffic.

Layout[edit]

The Mix Master is essentially a highly modified stack interchange. There is no direct access from eastbound I-30 to southbound I-35E and northbound I-35E to westbound I-30. Due to this problem, many drivers use Riverfront Boulevard. From southbound I-35E, both exits to I-30 are from the left lane (southbound to westbound has a flyover ramp). Northbound I-35E to eastbound I-30 includes an exit to Cadiz Street. Westbound I-30 has a left hand exit to I-35E (at this point, the freeway is only 2 lanes) and the exit to northbound I-35E passes near the old site of Reunion Arena and has a low visibility point. Westbound I-30 to northbound I-35E is a left hand exit (much like the south I-35E exit to west I-30) and drops to two lanes through the area. An unusual design of the Mix Master is that I-35E runs between I-30, which is often the cause of many visibility problems.

City streets in the area include Riverfront Boulevard, Jefferson Boulevard, Houston Street, Cadiz Street and Canton Street.

See also[edit]

References[edit]

  1. ^ "Dallas Horseshoe". Dallas Horseshoe. Retrieved January 1, 2014. 
  2. ^ "Dallas Horseshoe Project Overview". Dallas Horseshoe. Retrieved January 1, 2014. 
  3. ^ "How the Horseshoe will change your commute into downtown Dallas". Dallas Business Journal. Retrieved January 1, 2014. 
  4. ^ "Dallas "Horseshoe" to Replace Notorious Mix-Master". NBC 5 Dallas. Retrieved January 1, 2014. 
  5. ^ "Horseshoe Project Overview". Project Pegasus. Retrieved January 1, 2014.