Precinct 3
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East Wilco Highway / Corridor E
The county is conducting the Corridor E Planning and ROW Preservation Study as part of a planned ultimate controlled-access roadway in the central part of the county as an alternative north/south transportation corridor to IH 35.
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Corridor H / Sam Bass
Williamson County is planning to widen Sam Bass Road between RM 1431 and Wyoming Springs Drive to enhance safety, improve mobility, and meet current and future traffic needs as the county continues to grow.
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Corridor J
The County is conducting the Corridor J Studies to determine environmental constraints and potential alignments in the north central part of the county.
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CR 245
The CR 245 project consists of the reconstruction of the existing two-lane CR 245 to an interim three-lane roadway, with a center turn lane and right turn lanes at specific locations.
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CR 255
This project will construct a new 2-lane roadway alongside the existing CR 255 roadway from CR 254 to CR 289.
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Great Oaks Drive Bridge at Brushy Creek
Bridge replacement over Brushy Creek on Great Oaks Drive.
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Hairy Man Road / Brushy Creek
This project is 2.2 miles in length and includes safety improvements between Brushy Bend Drive and Sam Bass Road.
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IH35 Corridor Operational Analysis
This project is an operational study for Williamson County and the City of Round Rock.
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New Hope Drive Phase 2A
The project is designed and constructed as 4-lane divided roadway with a raised median, curb and gutter, enclosed storm sewer system, illumination, shared-use path, and bike lanes.
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RM 2243
The proposed project would reconstruct and widen the existing rural two-lane roadway to a controlled-access highway which includes two main lanes in each direction separated by a concrete barrier, with direct connections to 183A, Ronald Reagan Boulevard and Southwest Bypass.
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RM 620 at Railroad / Chisholm Trail
The City of Round Rock, TxDOT, and Williamson County are partnering together on this project on RM 620 to add overpasses at Chisholm Trail and Lake Creek Drive, a roundabout at RM 620 and Chisholm Trail beneath the new overpass, widened lanes, new frontage roads, and will improve bicycle and pedestrian accommodations.
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Ronald Reagan Extension
Williamson County is conducting a study to develop a plan for improvements for Ronald Reagan Boulevard between IH 35 and SH 95, referred to as Corridor D.
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SH 195 at Ronald Reagan Boulevard
This project will construct an exit ramp from northbound SH 195 to Ronald Reagan Boulevard.
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Westinghouse Road
The project will upgrade the existing roadway to a two-lane roadway with shoulders, and provide preliminary planning for an ultimate six-lane divided urban roadway,
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Wyoming Springs Extension
The project consists of extending the existing Wyoming Springs Boulevard from Creekend Boulevard at the south end to Old Settler's Boulevard at the north end.