< Wisconsin

Wisconsin/County Highway Relations

Tagging information

County highways in Wisconsin have one-, two-, or three-letter designations preceded by CTH (for "County Trunk Highway"). Thus, an example of a reference for a county highway might be ref=CTH OSM.

Raw TIGER data generally does not include this designation as a reference (ref=*) tag, and often gives the letter designation in the main name tag (name=*). When this is encountered, first check the TIGER tags on the way to see if a local name exists in addition to the letter designation. If so, it is suggested to replace the main name value with the way's actual name, and add a ref=* tag in the standard form above. For instance, here is an example how a street named Western Road (part of Ozaukee County Highway T) appeared with raw TIGER tags, and how to correct it:

Example correction of TIGER tags for county highways
Raw tags Corrected tags
highway=tertiary
name=County Highway T
name_1=Western Rd
highway=tertiary
name=Western Road
ref=CTH T

The tiger namespace tags (keys beginning with "tiger:") are not shown since they can be ignored. However, they sometimes can be useful to look at for additional information such as what the street's actual name is, when one exists.

Be aware that not all Wisconsin letter designated county roads have a road name drastically different from their designation. For example,"County Road O" is the postal street address name associated with this portion of County Trunk Highway O in Outagamie County. If you cannot find an alternate name, research to see if one exists, or in fact none exists, and tag accordingly.

Relations

At a minimum, all Wisconsin County Trunk Highway relations should contain the following tags and associated values:

Key Value Discussion
type=* route Required. This is a "route" relation (as opposed to other types of relations)
route=* road Required. This route is part of the roadway network for automobiles (as opposed to a bus route, hiking route, cycling route, etc.)
name=* common name Required. The full name for this county route. Almost all have the name/ format CountyName County Trunk Highway AAA. If a county has spaces, use them: Fond du Lac County Trunk Highway RP
network=* US:WI:CountyName or

US:WI:CountyName:Modifier

Required. Most in this list will have the route identifier US:WI:CountyName. Again if a county has a space, that's used here: US:WI:Fond du Lac

County Trunk Highways that have route modifiers (Spur, Alternate, etc.) should have that included. Applicable examples include US:WI:CountyName:Spur, and US:WI:CountyName:Business.

is_in:state=* WI Required. All Wisconsin County Trunk Highways should be tagged with this value.
ref=* reference letter or letters Required. The route number. Examples: A, RP, ZZZ. If a route modifier exists (Spur, Truck, Alternate, etc.) it should not be present in this key. Instead, it should be incorporated into the 'modifier' key, and the 'network' key.
wikipedia=* Wikipedia Page Title Required if article exists. Nominatim uses the wikipedia key to weight/rank returned search results, so it's a good idea to include this. This being said as of this writing, no specific County Trunk Highway Wikipedia articles exist for Wisconsin, so in practice this tag will not be used.
symbol=* url Required if SVG file exists. The URL of a graphical representation of the route's symbol, in SVG format. See Wikimedia Commons: Wisconsin County Highway Shields for the list of available SVG files.
modifier=* type If applicable. Some routes have a "tab" (officially a "banner") attached to the route number that distinguishes it from other, related routes. Usually the text of the attached tab should be used; common examples as per taginfo include "Alternate", "Business", "Bypass", "Spur", "Scenic", "Toll", "Truck". Note that these values are capitalized! If the modifier tag exists, it should also be incorporated into the network tag.
direction=* northsoutheastwest If applicable. This tag is used on Wisconsin County Trunk Highways that are divided on the map along their entire length. These highways must have two separate route relations, one for each direction of travel. In such cases, the direction key should have a value of the the cardinal direction on the tab of the sign, and it should also be used in the relation's name; for example, the route relation for eastbound Brown County Highway G should be named Brown County Trunk Highway G east and should have the key and value direction=east. Note the signed direction may not directly match the compass direction of travel; the signed direction should be tagged.

Individual ways

At a minimum, all Wisconsin County Trunk Highway ways should contain the following tags and associated values:

Key Value Discussion
highway=* type Required. Depending on the functional classification of the road, this will be one of motorway, trunk, primary, secondary, tertiary, or unclassified.
ref=* road Required. Any way that is part of a Wisconsin county highway should have the reference CTH AAA as part of this field. In the case of route concurrencies, separate each with a semicolon, without spaces between the references. When two county highways share a way, it's suggested ordering them alphabetically, e.g. CTH A;CTH GG. When there is a modifier for the highway (Business, Truck, Spur, etc.) this should be appended to the end of the field, e.g. CTH F Business. Doing this allows mapping tools that do not yet understand route relations (above) to print something using the older per-way reference standard.
name=* common name Required. The common name for this portion of the county route as indicated by signs. When a local name does not exist for the way, the US Postal Service generally recognizes County Highway AAA or County Road AAA; check which is applicable. When a local name does exist, this field should be that name, e.g. Main Street.
Route relation County route relation Required. Each county route that this way is a part of should be a member of its respective route relation. If the way handles traffic in both directions, a role need not be assigned. If the way is handling traffic in only one direction (typical on divided highways or on highway links), then this way should be assigned the relation role north, south, east, or west, whichever signed direction of traffic the way handles for the route.
alt_name=* County Highway AAA or County Road AAA If applicable. If a local name exists for the way, you may wish to add County Highway AAA or County Road AAA as an alt_name in cases where postal addressing allows both. This should be checked on a per-way basis for validity.

Relations

CountyLetter(s)RelationProgress and notes
Brown U 4010084
Z 4012031Continues into Outagamie as  4012032
Dane AB 4497581
BB 4497613
BW 4497648
M 4500214
MC 4497656
Q 4497725
Dodge D 5179708Mostly in Washington as  5179657
Dunn N  8661411 Discontinuous?

Continues into St. Croix as  8659941

P  8663441 Portions in Pierce as  8659926
Fond du Lac B 148310
G 148311
RP 4037595Not complete.
Grant A 8725840
B  8725915
C  8725843
D  8725916
E  8725852
F  8725850
G  8725848
H  8725914
HH  8725903
HHH  8725905
J  8725912
JJ  8725911
K  8725851
M  8725844
N  8725908
O  8725904
P  8725842
Q  8725849
S  8725846
T  8725847
U  8725907
V  121132
VV  8725910
W  8725906
X  8725841
XX  8725918
Y  8725909
Z  8725902
ZZ  8725901
Iowa A  8728864
B  8728860
D  8728986
DD  8728974
E  8728984
F  8728865
G  8728990
IG  8728989
J  8728991
K  8727904
O  8728861
Q  8728992
QQ  8728987
S  8728971
U  8728972
W  8728975
X  8728983
XX  8728995
Y  8728866
YD  8728985
La Crosse A  8665048
AE  8665054
B  8669398
BW  9357001
C  8665049
CO  9357231
D  8665057
DD  8669272
DE  8669276
DH  8665058
E  8669277
EE  8665053
F  8669261
FA  8669260
FO  8669262
G  8669251
GI  8669259
H  8669250
HD  8669266
I  8664694
II  8664695
J  8669254
JB  8664697
JJ  8664696
K  8665060
M  8664725
MH  8669265
MM  8669248
N  8669256
NN  8664726
OA  8669263
OS  8669252
P  8669257
PH  8669270
PI  8669249
Q  8665056
S  8665050
SN  8665059
SS  8669369
T  8669274
TA  8665055
TT  8669273
U  8665077
V  8665075
VP  8669282
VV  8665076
W  8669275
X  8669258
XX  8664724
Y  8669253
YY  8669264
Z  8669270
ZB  8669269
ZN  8669268
ZZ  8669267
Langlade M  4018919
P  4018916
Lincoln X 116322
Milwaukee S 1663031
Outagamie A 4009382
AA 4012060
B 4012399
BB 4012052Lies on the Outagamie-Winnebago county line.
C 4010059
CA 4012036
CB 4012037Continues into Winnebago as  4012038
CC 4012072
CE 4012035Small part extends into Brown county.
D 4009480Largely on the Outagamie-Waupaca county line.
DD 4009490
E 4009349
EE 4009341
F 4010154
FF 4010155
G 4010075
GG 4012012
GV 1077642
H 4011991
HH 4012033
I 8705340Continues into Waupaca as  4011443
J 4012068
JJ 4009384
K 4012034
KK 3854061
M 4009440
MM 4012053
N 4012056
NC 4015584
O 4009387
OO 4012064
P 4012488
PP 4012042
Q 4012078
S 4009524
T 3837964
TT 3855513
U 4011993
UU 4012080
VV 4010060
W 4009489
WW 4009483
X 4010081
XX 4010125
Y 4010061
Z 4012032Continues into Brown as  4012031
ZZ 4012004
Ozaukee NN 5179559Continues into Washington as  5179557
Pepin CC  7101944 Continues into Pierce as  8659495
SS  7102317 Continues into Pierce as  8659488
Pierce A  8659937
AA  8659954
B  8659945 Continues into St. Croix as  6330860
BB  8659944 Continues into St. Croix as  6330861
C  8659490
CC  8659495 Continues into Pepin as  7101944
D  8659486
DD  8659489
E  8659931
EE  8659936
F  8659942 Continues into St. Croix as  6330879
FF  8659943
G  8659939
I  8659940
H  8659927
HH  8659929
I  8659940
J  8659947
K  8659935
KK  8659934
MM  6333274
N  8659941
O  8659484
OO  8659481
P  8659926 Mostly in Dunn as  8663441
PP  8659938
QQ  8659483
S  8659494
SS  8659488 Continues into Pepin as  7102317
U  8659485
UU  8659487
V  8659933
VV  8659930
W  8659932 Continues into St. Croix as  6336300
X  8659928
Y  8659946 Continues into St. Croix as  6336336
Z  8659493
ZZ  8659491
Saint Croix A 3126079
B 6330860 Continues into Pierce as  8659945
BB 6330861 Continues into Pierce as  8659944
C 6330868
CC 6330869
D 6330882
DD 6333184
E 6330793
F 6330879 Continues into Pierce as  8659942
FF 6330880
G 6330795
GG 6333218
H 6330887
I 6330794
J 6333171
JJ 6333259
K 6333172
KK 6333173
M 6333260 Discontinuous?

Runs along Pierce County line, portions within Pierce County.

MM 6333274
N 6333492 Continues into Dunn as  8661411
NN 6333493
O 6333494
P 6333499
Q 6333580
S 6333581
SS 6333582
T 6333662
TT 6333663
U 6333670
UU 6333672
V 6336289
VV 6336306
W 6336300 Continues into Pierce as  8659932
X 6336309
Y 6336336 Continues into Pierce as  8659946
YY 6336341
Z 6336342
Sauk B 4004720Not finished past Plain, WI. Continues to Sauk County/Richland County line.
C 4004284
D 4004285
DD 4004998
E 4004995
I 4004287
O 4004719
PF 4004283
W 4004286
Sheboygan A 148317
CC 1345821
F 148313
I 1345820
V 148299
W 148315
Walworth O 116345
Washington C 5179569
D 5179657Small part extends into Dodge County as  5179708
G 5179625
I 5179599
MY 5179835
NN 5179557Continues into Ozaukee as  5179559
P 5179585
PV 5179634
W 5179723
WW 5179715
Z 5179568
Waupaca BH 4015876
D 4009480Largely on the Outagamie-Waupaca county line.
H 3855546
I 4011443Small part extends into Outagamie county as  8705340
W 3855488
Winnebago AP 1082752
BB 4012052Lies on the Outagamie-Winnebago county line.
CB 4012038Continues into Outagamie as  4012037
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