OSM SQLite Experiment: Frequency of key highway (elem type w)

These queries show the top frequencies of keys for key (element type )

1 residential 66,431,827
2 service 55,980,818
3 track 26,464,147
4 footway 23,101,310
5 unclassified 17,231,074
6 path 14,203,960
7 tertiary 8,029,083
8 secondary 5,146,117
9 primary 3,551,820
10 living_street 1,890,229
11 cycleway 1,777,409
12 trunk 1,735,197
13 steps 1,695,572
14 motorway 1,205,181
15 motorway_link 840,422
16 pedestrian 746,515
17 trunk_link 531,090
18 primary_link 446,284
19 construction 378,871
20 secondary_link 348,175
21 tertiary_link 253,143
22 proposed 146,237
23 platform 122,863
24 bridleway 109,921
25 road 52,134
26 corridor 49,015
27 raceway 40,430
28 services 21,935
29 busway 20,944
30 rest_area 17,120
31 bus_stop 11,174
32 elevator 5,298
33 via_ferrata 3,538
34 no 2,519
35 abandoned 1,978
36 escape 1,537
37 emergency_bay 1,322
38 planned 1,159
39 disused 945
40 bus_guideway 773
41 razed 748
42 unpaved 493
43 crossing 383
44 dummy 242
45 scramble 204
46 residentiel 178
47 piste 168
48 traffic_island 161
49 yes 156
50 emergency_access_point 142

:-)