Portland Office of Transportation - Tuesday, May 13: Mt Hood Cycling Classic 2pm to 9pm A major professional bicycle race - the Mt. Hood Cycling Classic - has northbound Naito Parkway closed between SW Jefferson and NW 9th from 2 pm to 9 pm today. Southbound Naito will be open to through traffic, with one lane closed on NW Naito between Everett and Davis from 3:30 to 9 pm.