1945 Florida State Road renumbering

On June 11, 1945, Florida's state roads were renumbered. The old system numbered routes in the order they were legislated, while the new system used a grid.

New number	Old number(s)
1
2
3
4
5
6
7
10
10 Alt.
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
29
30
30 Alt.
31
33
35
37
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
57
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
87
89
90
92
94
95
96
97
99
100
101
104
105
107
108
109
111
115
117
119
125
127
129
131
135
136
141
145
146
148
149
151
[[Florida State Road 155|155}}
157
159
161
164
165
166
167
169
171
173
175
177
179
181
183
185
187
189
191
193
196
197
200
201
204
205
206
207
208
209
210
211
212
214
215
216
217
218
219
220
221
224
225
227
228
229
230
231
234
235
236
237
238
239
240
241
245
247
249
250
251
255
257
259
261
265
267
268
269
270
271
274
275
276
277
278
279
285
290
291
294
295
296
297
298