from Downtown Dallas to Arlington was widened to over 16 lanes in some sections by 2010.

In Dallas, I-30 is known as East R.L. Thornton Freeway between Downtown Dallas and the eastern suburb of Mesquite. I-30 picks up the name from I-35E south at the Mixmaster interchange. The Mixmaster is scheduled to be reconstructed as part of the Horseshoe project, derived from the larger Pegasus Project. The section from Downtown Dallas to State Highway Loop 12