Construction is wrapping up on the Frisco portion of FM 423. The road has been widened to six lanes from south of Eldorado Parkway to US 380. Construction is expected to be complete by September.
Another portion of FM 423, from Stewarts Creek Road to SH 121, is also being widened. That portion is expected to be complete this fall.
Timeline: October 2014-September 2017 (US 380 to Eldorado Parkway), October 2014-October 2017 (Stewarts Creek Road to SH 121)
Cost: $29.8 million (US 380 to Eldorado Parkway), $900,000 (Stewarts Creek Road to SH 121)
Funding source: Texas Department of Transportation