Long-Term Closures Beginning April 2, 2018 to April 2019 affect portions of IH 37 and US 181 Northbound IH 37 entrance ramp from Tancahua St. will be closed. Northbound IH 37 exit ramp to Brownlee Blvd. will be closed. Southbound IH 37 entrance ramp from Brownlee Blvd. will be closed. Read More