This week's Throwback Thursday takes us to La belle province, or Quebec to the lay person. Heading east from Montreal through the Eastern Townships to Sherbrooke is Autoroute 10. At one time, Quebec had blue road signs instead of green road signs along their autoroutes. By the time I visited this part of Quebec in May 2008, the blue signs had been phased out, but there were a few signs that could still be found scattered around the province. So it was a real treat to find this blue Autoroute 10 sign with another blast from the past, an Autoroute des Cantons l'Est shield on QC 112 eastbound near Magog, Quebec.
The US Route System was formally created by the American Association of State Highway Officials during November 1926. Through the history of the system the only state to which has elected to maintain cutout US Route shields has been California. The G26 series cutout US Route shields have become a favorite in the road enthusiast hobby and are generally considered to be much more visually pleasing than the standard Federal Highway Administration variant. However, the G26 shield series appears to have been killed off on January 18, 2026, when Caltrans updated their Manual of Uniform Traffic Control Devices. This blog will examine the history of the US Route shield specifications in California and what is happening with the 2026 changes. The blog cover photo is facing towards the terminus of California State Route 136 and at a G26-2 specification US Route 395 shield. In the background Mount Whitney can be seen in the Sierra Nevada range. ...
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