Tập tin:PA-453.svgDescriptionPA-453.svg 750 mm by 600 mm (30 in by 24 in) Pennsylvania shield, made to the specifications of the Manual on Uniform Traffic Control Devices
Tập tin:PA-453 (1926).svgDescriptionPA-453 (1926).svg English: 1926 version of the Pennsylvania Route 453 state highway marker Date 3 February 2011, 05:17 (UTC) Source File:PA-XX (1926)
Tập tin:PA-453 (1948).svgDescriptionPA-453 (1948).svg Pennsylvania route marker from 1948 Date 13 March 2016, 07:26 (UTC) Source File:PA-XX_(1948).svg Author Template: User:Fredddie