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Dallas North Tollway expansion projects approved by NTTA

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The board of directors for the North Texas Tollway Authority recently approved the agency's Five-Year Capital Plan, which includes some extensive work on the west side of Collin County.

Dallas North Tollway Phase 4a -- Bridges over U.S. 380

NTTA is planning to extend the DNT north by constructing main-lane bridges over U.S. 380. Construction is anticipated to begin in FY2019 and is scheduled for completion in FY2021. The FY2018-FY2022 Capital Plan includes the estimated project cost of $103.2 million. Total project costs are estimated at $103.5 million.

Dallas North Tollway Phase 4a (Segment 5)

The Phase 4A extension is a 6-mile section from U.S. 380 to FM 428. The FY2018-FY2022 Capital Plan includes $350 million for planning, design and construction of 6 main-lanes. Total project costs are estimated at $350 million.


Dallas North Tollway Widening (SRT [121] to U.S. 380)

NTTA is planning to add an additional lane in each direction to DNT from SRT to U.S. 380. Environmental and schematic work scheduled to begin in FY2018 and design in FY2020. Construction is anticipated to begin in FY2021 and is scheduled for completion in FY2024. The FY2018-FY2022 Capital Plan includes $44.2 million for this project. Total project costs are estimated at $100 million.

The complete 5-year Capital Plan for NTTA is available online here.