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This project includes construction of two overpasses, a roundabout, U-turns, frontage roads and widened lanes
This project includes adding overpasses at Chisolm Trail and Lake Creek Drive, constructing a roundabout at RM 620 and Chisholm Trail beneath the new overpass, widening lanes, adding frontage roads and improving bicycle and pedestrian accommodations. To receive project updates, email RM620Roundabout@txdot.gov.
Construction cost: $27.4 million (TxDOT, City of Round Rock and Williamson County)
Construction start: March 2020
Anticipated construction completion: late 2022, weather permitting
Bridges and Roads, LLC