Original sentence: (SSH 1A) was established in 1937 and ran from  (PSH 2) in Woodinville north to Sumas and west to  in Blaine.Prior to 2006, the  (US 2) interchange was modified to use New Bunk Foss Road as a onramp and traffic signals were added in January 2006
Edited sentence: Secondary State Highway 1A (SSH 1A) was established in 1937 and ran from  (PSH 2) in Woodinville north to Sumas and west to  in Blaine.The  (US 2) interchange was modified to use New Bunk Foss Road as a onramp and traffic signals were added in January 2006