This week's edition of Throwback Thursday takes us back to April 2005 to the town of North Canaan, Connecticut. Here, we come across a typical US 7 route shield, but also a sign for the Ethan Allen Highway. If you recall from your history books, Ethan Allen is a key historical figure from the early days of Vermont. US 7, of course, runs across the western parts of Connecticut, Massachusetts and Vermont.
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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