Keywords: Chautauqua County 45.svg Chautauqua County NY Route 45 shield Public domain Own work Based on template found at Image US DOT FHWA MUTCD SHS 2004 3-7 M1-6 450x450mm 00 svg 2006-09-09 TwinsMetsFan Public domain Diagrams of county route markers with county name 0045 45 number |