This page contains I-35E Project information, including history, environmental review and project status.

Project History/Timeline

• 1950s/1960s - I-35E is constructed
• 1998 - Major Investment Study for future expansion
• 2003 - 2011 - Environmental Assessment process
• 2011 - Finding of No Significant Impact by FHWA (all sections)
• 2013-2018 – Phase 1 I-35E Managed Lanes project construction
• 2021 – TBD – Phase 2 project construction

Environmental Review Status

• 2008 - Environmental Assessment public meetings
• Oct. 28, 2009 - FHWA schematic approval for all three sections
• Nov. 18, 2010 - Middle section public hearing
• Oct. 20, 2011 - North section public hearing
• Sept. 27, 2011 - South section public hearing
• Late 2011 - Finding of No Significant Impact by FHWA (all sections)

Project Facts

• Length
  • North section (US 380 to FM 2181): 10.5 miles
  • Middle section (FM 2181 to President George Bush Turnpike): 12.1 miles
  • South section (President George Bush Turnpike to I-635): 5.5 miles
• Construction dates
  • Phase 1 of the I-35E project began construction in 2023 and was completed in 2018
  • Phase 2 of the I-35E project is anticipated to begin construction late 2021
  • Future phases of the I-35E project will be progressed as funding becomes available

More Information

• I-35E Phase 2 Dallas County project
• Denton County Connections project