State Road 100 (SR 100) is a 153-mile-long (246 km) east–west highway serving northeast Florida. Its western terminus is at the Georgia-Florida border four miles (6.4 km) north of Avoca, Florida (its continuation in Georgia is State Route 11); its eastern terminus is an intersection with Shore Scenic Highway (SR A1A) in Flagler Beach. The portion west of Lake City is only signed as portions of US 41 and US 129, both of which run north–south. From Wikipedia
