Denver. Streets. Colfax avenue (east) East Colfax will become through street as soon as 1,000 signs arrive. RMN Jy 10, 1948 City sets to widen E. Colfax, S. Colorado Blvd. Post N 19, 1956 State OK's project modernizing East Colfax. RMN N 28, 1956 Businessmen attack plans for East Colfax. Post Ag 5, 1957 p.24 East Colfax widening job nearly finished. Post Ag 25, 1957 East Colfax now justifies role as U.S. artery. Post 0 23, 1957