Wikipedia:WikiProject U.S. Roads/Florida/Hidden

Hidden state road designations of interstate and U.S. highways.

Highway Hidden Designations
Interstate 4 Florida State Road 400 – exposed route east of I-95 in Daytona Beach
Interstate 10 Florida State Road 8
Interstate 110 Florida State Road 8A
Interstate 75 Florida State Road 93
Florida State Road 93ATampa area
Interstate 175 Florida State Road 594
Interstate 275 Florida State Road 93
Interstate 375 Florida State Road 592
Interstate 95 Florida State Road 9
Florida State Road 9A – southernmost 13.69 miles in Miami
Interstate 195 Florida State Road 112
Interstate 295 Florida State Road 9A
Interstate 395 Florida State Road 836
Interstate 595 Florida State Road 862
Interstate 795 Florida State Road 9B
U.S. Route 1 Florida State Road 5
Florida State Road 805Lantana to West Palm Beach
Florida State Road 15 – northernmost 15 miles
U.S. Route 17 Florida State Road 5 – north from Jacksonville
Florida State Road 15
Florida State Road 35
Florida State Road 555
Florida State Road 600
U.S. Route 19 Florida State Road 20
Florida State Road 55
Florida State Road 57
U.S. Route 23 Florida State Road 15
Florida State Road 139Downtown Jacksonville and vicinity
U.S. Route 27 Florida State Road 20
Florida State Road 25
Florida State Road 45
Florida State Road 500
U.S. Route 29 Florida State Road 95
U.S. Route 41 Florida State Road 25
Florida State Road 45
Florida State Road 55
Florida State Road 90
Florida State Road 100 – Lake City to Jasper
Florida State Road 599
U.S. Route 90 Florida State Road 10
Florida State Road 10A – Pensacola area only
Florida State Road 100 – Lake City area only
Florida State Road 212
U.S. Route 92 Florida State Road 15
Florida State Road 517
Florida State Road 546
Florida State Road 600
Florida State Road 687
U.S. Route 98 Florida State Road 30
Florida State Road 30A
Florida State Road 92[citation needed]
Florida State Road 700
U.S. Route 129 Florida State Road 51Live Oak to Jasper
Florida State Road 47Chiefland to Trenton
Florida State Road 49Trenton to Hildreth
Florida State Road 100 – Jasper area, concurrency north of Jasper
Florida State Road 249Branford to Live Oak
U.S. Route 192 Florida State Road 500
Florida State Road 530
U.S. Route 221 Florida State Road 55
U.S. Route 231 Florida State Road 75
U.S. Route 301 Florida State Road 35
Florida State Road 39
Florida State Road 43
Florida State Road 200
Florida State Road 683
U.S. Route 319 Florida State Road 369
Florida State Road 377
U.S. Route 331 Florida State Road 83 – south from DeFuniak Springs only
Florida State Road 187
U.S. Route 441 Florida State Road 7
Florida State Road 15
Florida State Road 25
Florida State Road 47
Florida State Road 90
Florida State Road 500

Source: http://www.fhp.state.fl.us/traffic/trooproad_names.html