I-35 at RM 1431

Overview

The project included the construction of a Diverging Diamond Intersection, which is an innovative intersection to alleviate an existing bottleneck at the intersection of RM 1431 and I-35. The project also included construction of a southbound collector-distributor road, or intersection bypass lane, and ramp improvements.

Need & Purpose

• Improve safety and mobility

Project Description

• Replaced traditional intersection with a Diverging Diamond Intersection
• Added southbound intersection bypass lane

Funding

• Traditional development by TxDOT
• Construction cost estimate: $6.6 million

Schedule

• Finalized schematic and environmental documentation: April 2014
• Begin Plans, Specifications and Estimates (PS&E): February 2013
• Construction letting: June 2014
• Construction start: October 2014
• Construction completion: May 2016

Downloads

• Diverging Diamond Intersection Results
• Fact Sheet: Diverging Diamond Intersections
• Overview Photo