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​Mobility35 Williamson County Projects

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Project     ​LimitsCurrent
Phase*		Funding SourceEstimated
Construction Cost		Upcoming Milestone
Williamson County Feasibility StudySH 130 to RM 14312CAMPO STPMM funds for Phase 2N/A​Projects identified for Williamson County will be incorporated into the Mobility35 Implementation Plan
Northbound Frontage Road ImprovementsSH 29 to Westinghouse Road5Williamson County Road Bond
$19M

​​Construction completion anticipated mid-2015

Frontage Road & Intersection Operational ImprovementsRM 14315Traditional development funded by the city of Round Rock$7MConstruction completion anticipated by end of 2015
Ramp ReversalsFM 3406 to US 795Design funded by the city of Round Rock, construction by CAMPO$9MConstruction completion anticipated by end of 2015
Mainlane, Frontage Road & Intersection Operational Improvements​RM 1431 to SH 45N3TxDOT funding Phase 3
Construction not currently funded		$125MFinish schematic and environmental efforts anticipated by end of 2014
​Northbound Mainlane, Frontage Road & Intersection Operational Improvements​​RM 620 to SH 45N​4​Traditional development funded by TxDOT$28M​​Final design completion anticipated spring 2015
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*Learn more about Project Phasing​

Download our Mobility35 Fact Sheet​ for an overview of each project within the corridor. 
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