The following highways are numbered 614:
| Preceded by 613 | Lists of highways 614 | Succeeded by 615 |
State Road 713 (SR 713) is a state highway in the U.S. state of Florida locally known as Kings Highway and Turnpike Feeder Road. The 10.2-mile (16.4 km)-long, two-lane north–south road is a popular truck route connecting SR 70 in Fort Pierce to the south and U.S. Route 1 between Viking and Florida Ridge to the north. While urbanization is encroaching upon SR 713 north of SR 68, most of SR 713 passes through woodland interspersed with orange groves.
State Road 614 (SR 614), locally known as Indrio Road, is a 3.6-mile-long (5.8 km) east–west street serving a rural section of northern St. Lucie County, Florida, just south of Lakewood Park. The road has a 2.8 miles (4.5 km) eastern extension designated County Road 614 (CR 614).
State Road 607 is a state highway that extends 2.5 miles (4.0 km) from its southern terminus to the Indian River County line. A north–south road in northern St. Lucie County and southern Indian River County, it is locally known as Emerson Avenue throughout its route.
State Route 6 (SR 6) is a state highway that is unsigned. It travels through the central part of the U.S. state of Tennessee from Lawrence County to Sumner County. The highway is related to the following U.S. Highways:
State Route 106 is a north–south state highway in Middle Tennessee. The highway is a secret, or hidden, designation for the following highways:
