Williamsville (dead link: December 2020) is a city in Central Illinois. Get in Get around See Route 66 Dream Car Museum, 120 S Oak St, +1 217 566-3799. Die Cast Auto Sales, 117 N. Elm, +1 217 566-3898. 1930s service station that has been converted into a mini-museum. Collections of Coca-Cola memorabilia, die-cast cars, and Route 66-themed souvenirs. Do Buy Williamsville Route 66 Antique, 10500 Us Rt 66, +1 217 566-3442, williamsvilleroute66antiques@yahoo.com. Daily 9AM-5PM. Eat Casey's Carry Out Pizza, 112 N Oak St, +1 217 566-2197. Williamsville Family Restaurant, 100 W Main St, +1 217 566-2276. Drink Sleep Go next