Florida State Road 423

State Road 423 (SR 423), known for most of its length as John Young Parkway, and Lee Road east of Orange Blossom Trail, is a four- and six-lane surface road in the U.S. state of Florida. SR 423 runs from SR 408 north to U.S. Routes 17/92 (US 17/92) just east of Interstate 4 (I-4). SR 423 and its southern components serve as an alternate to the parallel Orange Blossom Trail. The road is named after John Young, a NASA astronaut and one of twelve men to walk on the Moon, who was from the Orlando area. Route description SR 423 is signed north-south when named John Young Parkway, while Lee Road it is signed east-west. SR 423 begins at an interchange with SR 408 and heads north towards Orange Blossom Trail. It then changes names to Lee Road east of Orange Blossom Trail, becoming an east-west road to its terminus at U.S. Route 17/92 just east of Interstate 4.