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Martin County, Florida (located in South-East Florida), operates a system of county roads that serve all portions of the county. The Martin County Roadway Design & Construction Division is responsible for maintaining all of the Martin County roads.[1]
 County road shields used in Florida | |
| Highway names | |
|---|---|
| Interstates | Interstate X (I-X) |
| US Highways | U.S. Highway X (US X) |
| State | State Road X (SR X) |
| County: | County Road X (CR X) |
| System links | |
The numbers and routes of all Florida highways are assigned by the Florida Department of Transportation (FDOT), while county road numbers are assigned by the counties, with guidance from FDOT.[2] North-south routes are generally assigned odd numbers, while east-west routes are generally assigned even numbers.[3]
| Number | Length (mi) | Length (km) | Southern or western terminus | Northern or eastern terminus | Local names | Formed | Removed | Notes |
|---|---|---|---|---|---|---|---|---|
 CR A1A |
— | — | US 1 at Hobe Sound | SR A1A / SR 714 at Stuart | — | — | Former SR A1A[4]
| |
 CR 5A |
— | — | US 1 | CR A1A | — | — | Former SR 5A[4] | |
 CR 76A |
— | — | SR 76 / CR 711 | CR 714 | — | — | Former SR 76A[4]
| |
 CR 609 |
— | — | SR 710 | Martin–St. Lucie county line | SW Allapata Road | — | — | Former SR 609[4] |
 CR 707 |
— | — | Palm Beach–Martin county line | CR 708 | — | — | Former SR 707[4] | |
| CR 707 |
— | — | CR A1A | Martin–St. Lucie county line | — | — | Former SR 707[4] | |
 CR 707A |
— | — | SR 732 / CR 723 | — | — | — | Former SR 707A[4]
| |
 CR 708 |
— | — | SR 76 | CR 707 | — | — | Former SR 708[4]
| |
 CR 711 |
— | — | Palm Beach–Martin county line | SR 76 / CR 76A | — | — | Former SR 711[4]
| |
 CR 713 |
— | — | I-95 (Exit 110) | SR 714 in Martin Downs | SW High Meadow Avenue | — | — | Connects SR 714 and CR 714 to I-95 |
 CR 714 |
— | — | SR 710 | I-95 / SR 714 | SW Martin Highway | — | — | Former SR 714[4] |
| CR 714 |
— | — | Turnpike / SR 714 (Exit 133) | US 1 | SW Martin Highway, SW 36th Street, SE Indian Street | — | — | Former SR 714;[4] Other than a reassurance sign east of the intersection with CR 713, the entire roadway east of CR 713 is unsigned. Historically, the CR 713 designation (along with the roadway) terminated at Mapp Road. |
 CR 722 |
— | — | SR 76 | CR A1A | — | — | Former SR 722[4] | |
 CR 723 |
— | — | CR 707 | SR 732 / CR 707A | — | — | Former SR 723[4]
| |
 CR 726 |
— | — | SR 710 | CR 76A | — | — | Former SR 726[4] | |
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