Some bridges and overpasses are already icy or are beginning to get icy. TxDOT says it has begun treating roadways.
The City of Cedar Park reports that RM 1431 between Vista Ridge Boulevard and BMC Millworks is closed because the bridge is frozen over.
Cedar Park police reported at least one collision along the 183A toll road due to the icy conditions. They also reported a multi car crash along 1431 near Vista Ridge because of ice and several crashes in the Leander area.
The Williamson County Sheriff's Office reported that the 7000 block of West Parmer Lane at Dallas Drive bridge was iced over and caused a four vehicle collision.
The National Weather Service says tonight is the coldest for this Arctic cold air outbreak. Light freezing drizzle is expected in the region until 6 p.m. and light snow in the far northern counties could be possible.
Reporting is provided as part of Community Impact Newspaper’s partnership with Fox 7 News.