1926: opening on the new highway
Route 66 was officially commissioned on November 11, 1926, as part of the new U.S. numbered highway system. The new highway routed through Pontiac along an alignment slightly south and east of the existing town center, passing through what was then largely undeveloped farmland on the south edge of the community. Local entrepreneurs, sensing that the new federal highway would generate traveler traffic, began establishing roadside businesses along the alignment within months of the commissioning.
The Old Log Cabin Inn opened in 1926 at its current location, originally built as a log-cabin roadside diner with the front entrance facing the new Route 66. The choice of log-cabin architecture was deliberate — at a time when the American national consciousness associated log cabins with frontier authenticity, rugged independence, and Lincoln-era national heritage (and central Illinois sat squarely in Lincoln country, with Springfield 100 miles south), a log-cabin diner read as quintessentially American to traveling motorists. The architectural choice was a marketing decision as much as an aesthetic one, and it has worked for a century.
Operations through the late 1920s and the 1930s were modest but steady. The diner served Route 66 motorists making the Chicago-to-Springfield drive, local Pontiac and Livingston County residents looking for a casual lunch or breakfast, and the occasional long-distance traveler making the full Chicago-to-Los Angeles trip. The menu was American diner classics from the opening: eggs and pancakes for breakfast, burgers and meatloaf for lunch, coffee throughout. The format has remained essentially stable for the full century of operation.