 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 following is a list of county roads in Putnam County, Florida . All county roads are maintained by the county in which they reside; however, not all of them are marked with standard MUTCD approved county road shields.
| # | Road Name(s) | Direction and Termini | Notes | ||||
|---|---|---|---|---|---|---|---|
 CR 20A | W/E | SRs 20 & 21 | McMeekin | CR 21 | former SR 20A [1] | ||
 CR 21 | S/N | Marion-Putnam County Line | SR 21 | former SR 21 [1] | |||
 CR 207A | W/E | East River Road | East Palatka | US 17 | Federal Point | former SR 207A [1] | |
 CR 209 | West River Road Palmetto Bluff Road | S/N | US 17 | US 17 | Bostwick | former SR 209 [1] | |
 CR 209A | Palmetto Bluff Road | W/E | CR 209 | St. Johns River | former SR 209A [1] | ||
 CR 216 | John W. Campbell Highway | N/S | SR 100 | Palatka | US 17 | Palatka | former SR 216 [1] |
 CR 219 | SR 26 | Melrose | Putnam-Clay County Line | former SR 219 [1] | |||
 CR 308 | Huntington Road | W/E | CR 309 | Fruit Cove | US 17 | Crescent City | former SR 308 [1] |
 CR 308B | Elm Street W Main Street | W/E | CR 309 | Welaka | US 17 | Pomona Park | former SR 308B [1] |
 CR 309 | 3rd Avenue | S/N | US 17 | Satsuma | Georgetown Denver Road | Georgetown | former SR 309 [1] |
 CR 309B | Buffalo Bluff Road | S/N | US 17 | St. John's River | former SR 309B [1] | ||
 CR 309C | SR 20 | SR 100 | Springside | former SR 309C [1] | |||
 CR 309D | Bardin Rd | N/S | SR 100 | Clay County | |||
 CR 310 | W/E | CR 315 | SR 19 | former SR 310 [1] | |||
| CR 310 | Silver Lake Drive | ||||||
 CR 311 | Husson Avenue | Edgemoor Street | SR 20 | former SR 311 [1] | |||
 CR 315 | S/N | Marion County line | Clay County line (CR 315C) | former SR 315 [1] | |||
State Road 100 is a 153-mile-long (246 km) east–west highway serving northeastern Florida. Its western terminus is at the Georgia-Florida border four miles (6.4 km) north of Avoca, Florida ; its eastern terminus is an intersection with Shore Scenic Highway 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.
State Road 26 is a 62.172-mile-long (100.056 km) east–west route across North Central Florida.