Parts of northbound US 75 was closed after a tanker truck spill Tuesday night.
Northbound US 75 from State Highway 190 was closed until about 9:30 p.m. after the tanker truck began leaking herbicide in Richardson. The truck leaked about 10 gallons of the chemical.
Plano and Richardson fire department hazmat teams continued to clean up the herbicide late Tuesday night.
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Plano police said the liquid chemical in the tanker did not present an airborne threat.
NBC 5's Kevin Cokely contributed to this report.