Special routes of U.S. Route 151
Eleven special routes of U.S. Highway 151 (US 151) exist. Three of which are located in Iowa and the other eight are in Wisconsin.
| .svg.png.webp) | |
|---|---|
| Location | |
| Country | United States | 
| Highway system | |
Cedar Rapids business loop
    
| 
 
 U.S. Highway 151 Business | |
|---|---|
| Location | Cedar Rapids, Iowa Marion, Iowa | 
U.S. Highway 151 Business (US 151 Business) is designated along the former alignment of US 151 through Cedar Rapids and Marion, Iowa. US 151 Business begins at exit 248, the intersection of US 30 / US 218 and US 151 in Cedar Rapids. US 151 Business follows Williams Boulevard northeast to 1st Avenue, which it follows for the rest of its path through Cedar Rapids. 1st Avenue becomes Marion Boulevard in Marion. US 151 Business follows 7th Avenue to its northern terminus, the intersection of US 151 and Iowa Highway 13 (Iowa 13).

Through Cedar Rapids, US 151 Business is officially designated as Iowa 922, though it is never signed as such.
The entire route is in Linn County.
| Location | mi[1][2] | km | Destinations | Notes | |
|---|---|---|---|---|---|
| Cedar Rapids | 0.000 | 0.000 |    US 30 / US 151 south / US 218 | Southern end of US 151 Business / Iowa 922 | |
| 2.072 | 3.335 | 16th Avenue SW | |||
| 2.908 | 4.680 | 1st Avenue W / 18th Street SW | US 151 Business merges onto 1st Avenue W | ||
| 4.023 | 6.474 |   I-380 / Iowa 27 (Exit 19) | |||
| 4.209 | 6.774 | 1st Street NW | Former Iowa 94 northbound | ||
| 4.402 | 7.084 | 1st Street NE | Former Iowa 94 southbound | ||
| 8.862 | 14.262 |  Iowa 100 (Collins Road) | End of Iowa 922 | ||
| Marion | 12.7 | 20.4 |   US 151 north / Iowa 13 | Northern end of US 151 Bus. | |
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | |||||
| Browse numbered routes | ||||
|---|---|---|---|---|
| ←  Iowa 438 |  | →  Iowa 926 | ||
Monticello business loop
    
| 
 
 U.S. Highway 151 Business | |
|---|---|
| Location | Monticello, Iowa | 
| Length | 4.1 mi[3] (6.6 km) | 
U.S. Highway 151 Business (US 151 Business) in Monticello was created in 2004 when US 151 was expanded and rerouted around Monticello. US 151 Business in Monticello begins at exit 68 of US 151. It is co-signed with Jones County Route X44 until the Monticello city limits. In Monticello, US 151 Business follows Main Street. Between Oak Street and 1st Street, Iowa 38 overlaps US 151 Business. The northern terminus of US 151 Business is an at-grade intersection with US 151.
The entire route is in Jones County.
| Location | mi[3] | km | Destinations | Notes | |
|---|---|---|---|---|---|
| Monticello | 0.0 | 0.0 |  US 151 | ||
| 1.9 | 3.1 |  Iowa 38 south (Oak Street) | Southern end of Iowa 38 overlap | ||
| 2.2 | 3.5 |  Iowa 38 north (1st Street) | Northern end of Iowa 38 overlap | ||
|  | 4.1 | 6.6 |  US 151 | ||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | |||||
Cascade business loop
    
| 
 
 U.S. Highway 151 Business | |
|---|---|
| Location | Cascade, Iowa | 
| Length | 3.0 mi[4] (4.8 km) | 
U.S. Highway 151 Business (US 151 Business) is a business route of US 151 in Cascade, Iowa that is 3.0 miles (4.8 km) long.[4] It starts west of Cascade at a junction with US 151. Within the city, the highway is known mostly as 1st Avenue and intersects with Iowa 136. Shortly before its eastern terminus, the route turns onto Fox Street.
| County | Location | mi[4] | km | Destinations | Notes | 
|---|---|---|---|---|---|
| Jones |  | 0.0 | 0.0 |  US 151 | |
| Dubuque | Cascade | 1.4 | 2.3 |  Iowa 136 (Johnson Street) | |
|  | 3.0 | 4.8 |  US 151 | ||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | |||||
Platteville business loop
    
| 
 
 Business U.S. Highway 151 | |
|---|---|
| Location | Platteville, Wisconsin | 
| Length | 3.6 mi[5] (5.8 km) | 
Business U.S. Highway 151 (Bus. US 151) is a business route of US 151 in Platteville, Wisconsin that is 3.6 miles (5.8 km) long.[5] The first portion of the highway is shared by County Trunk Highway D. In downtown Platteville, the highway intersects with Wisconsin Highway 80. It is known as Dubuque Road for most of its length.
The entire route is in Grant County.
| Location | mi[6] | km | Destinations | Notes | |
|---|---|---|---|---|---|
|  | 0.0 | 0.0 | .svg.png.webp)  US 151 / CTH-D south | Begin CTH D overlap | |
| Platteville | 0.7 | 1.1 |  CTH-D north | End CTH D overlap | |
| 1.3 | 2.1 |  WIS 80 (Water Street) | |||
| 3.6 | 5.8 | .svg.png.webp)   US 151 / CTH-XX begins | CTH XX is a continuation of U.S. Bus 151. | ||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | |||||
Mineral Point business loop
    
| 
 
 Business U.S. Highway 151 | |
|---|---|
| Location | Mineral Point, Wisconsin | 
| Length | 3.7 mi[7] (6.0 km) | 
Business U.S. Highway 151 (Bus. US 151) is a business route of US 151 in Mineral Point, Wisconsin that is 3.7 miles (6.0 km) long.[7] When it starts at US 151 outside of Mineral Point, it is concurrent with County Trunk Highway O. The concurrency is very short, and ends just after it starts. Inside Mineral Point, the route becomes concurrent with Wisconsin Highway 39. After this concurrency ends, it becomes concurrent with Wisconsin Highway 23. It then heads towards US 151 and ends there, intersecting County Trunk Highway YD along the way.
Major intersections
    
The entire route is in Iowa County.
| Location | mi[7] | km | Destinations | Notes | |
|---|---|---|---|---|---|
|  | 0.0 | 0.0 | .svg.png.webp) US 151 – Platteville, Dodgeville | Southern terminus and southern end of concurrency with County Trunk Highway O | |
|  | 0.3 | 0.48 |  CTH-O south | Northern end of concurrency with CTH O | |
| Mineral Point | 1.2 | 1.9 |  WIS 39 west – Linden, Iowa County Airport | Southern end of concurrency with WIS 39 | |
| 2 | 3.2 |   WIS 39 east / WIS 23 south – Darlington, Hollandale | Northern end of concurrency with WIS 39 and southern end of concurrency with WIS 23 | ||
| 3.1 | 5.0 |  CTH-YD east (Business Park Road) | |||
|  | 3.7 | 6.0 | .svg.png.webp)  US 151 south/north / WIS 23 north – Platteville, Dodgeville | Northern terminus and northern end of concurrency with WIS 23 | |
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi 
 | |||||
Mount Horeb business loop
    
| 
 
 Business U.S. Highway 151 | |
|---|---|
| Location | Mount Horeb, Wisconsin | 
| Length | 3.4 mi[5] (5.5 km) | 
Business U.S. Highway 151 (Bus. US 151) is a former segment of US 18/151 between Exits 65 and 69 within Mount Horeb. The route is also shared by US 18 Business, as well as parts of Wisconsin Highway 78 and Dane County Road ID.
The entire route is in Mount Horeb, Dane County.
| mi[8] | km | Destinations | Notes | ||
|---|---|---|---|---|---|
| 0.0 | 0.0 |  .svg.png.webp)  US 18 / US 151 / WIS 78 south    Bus. US 18 begins | Begin US-Bus 18 and WIS 78 overlap | ||
| 0.1 | 0.16 |  CTH-ID west | Begin CTH ID overlap | ||
| 1.7 | 2.7 |  WIS 78 north | End WIS 78 overlap | ||
| 3.4 | 5.5 |  .svg.png.webp) US 18 / US 151      Bus. US 18 ends / CTH-ID ends | End US-Bus 18 and CTH ID overlap | ||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | |||||
Verona business loop
    
| 
 
 Business U.S. Highway 151 | |
|---|---|
| Location | Verona, Wisconsin | 
| Length | 2.7 mi[5] (4.3 km) | 
Business U.S. Highway 151 (Bus. US 151) is a former segment of US 18/151 within Verona. The route is also shared by US 18 Business and Dane County Road MV. US 18 Business/151 Business/CR MV begins at a pair of flyover interchanges with US 18/151 on Exit 76 west of Verona. Eastbound Exit 76 runs directly into the business routes on West Verona Avenue, while westbound Exit 76 connects to the business routes by way of Epic Lane. From there, the business routes run east-northeast as a four-lane divided highway until the intersection with Legion Street, where it becomes a local two-lane undivided road. At the intersection with North and South Main Streets (Dane County Road M), West Verona Avenue becomes East Verona Avenue, making a brief reverse curve to the left before returning to its previous trajectory at School Street and becoming a four-lane divided highway east of there. US BUS 18/151/CR MV ends east of Verona at Exit 81 on US 18/151, but only with an eastbound on-ramp and westbound off-ramp.
The entire route is in Verona, Dane County.
| mi[9] | km | Destinations | Notes | ||
|---|---|---|---|---|---|
| 0.0 | 0.0 |  .svg.png.webp) US 18 / US 151    Bus. US 18 begins | Begin US-Bus 18 overlap | ||
| 1.3 | 2.1 |  CTH-M (Main Street) | |||
| 2.4 | 3.9 |  .svg.png.webp) US 18 / US 151    Bus. US 18 ends | End US-Bus 18 overlap | ||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | |||||
Sun Prairie business loop
    
| 
 
 Business U.S. Highway 151 | |
|---|---|
| Location | Sun Prairie, Wisconsin | 
| Length | 2.9 mi[5] (4.7 km) | 
Business U.S. Highway 151 (Bus. US 151) is a business route of US 151 in Sun Prairie, Wisconsin that is 2.9 miles (4.7 km) long. Formerly the mainline of US 151, it passes through downtown and connects two exits on the freeway portion of US 151.[5] Part of the route is shared with Wisconsin Highway 19.
The entire route is in Sun Prairie, Dane County.
| mi[10] | km | Destinations | Notes | ||
|---|---|---|---|---|---|
| 0.0 | 0.0 | .svg.png.webp) US 151 | |||
| 1.9 | 3.1 |  WIS 19 east | Begin WIS 19 overlap | ||
| 2.2 | 3.5 |  WIS 19 west | End WIS 19 overlap | ||
| 2.9 | 4.7 | .svg.png.webp) US 151 | |||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | |||||
Columbus business loop
    
| 
 
 Business U.S. Highway 151 | |
|---|---|
| Location | Columbus, Wisconsin | 
| Length | 3.8 mi[5] (6.1 km) | 
Business U.S. Highway 151 (Bus. US 151) is a business route of US 151 in Columbus, Wisconsin that is 3.8 miles (6.1 km) long. Formerly the mainline of US 151, it passes through downtown and connects two exits on the freeway portion of US 151.[5] Wisconsin Highway 73 overlaps the entire route.
| County | Location | mi[11] | km | Destinations | Notes | 
|---|---|---|---|---|---|
| Columbia |  | 0.0 | 0.0 | .svg.png.webp)  US 151 / WIS 73 south | Begin WIS 73 overlap | 
| Columbus | 1.7 | 2.7 |  WIS 89 south |   WIS 89 ends | |
| 2.1 | 3.4 |  WIS 60 (James Street) | |||
| Dodge |  | 3.8 | 6.1 | .svg.png.webp)  US 151 / WIS 73 north | End WIS 73 overlap | 
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | |||||
Beaver Dam business loop
    
| 
 
 Business U.S. Highway 151 | |
|---|---|
| Location | Beaver Dam, Wisconsin | 
| Length | 4.6 mi[5] (7.4 km) | 
Business U.S. Highway 151 (Bus. US 151) is a business route of US 151 in Beaver Dam, Wisconsin that is 4.6 miles (7.4 km) long. Formerly the mainline of US 151, it passes through downtown and connects two exits on the freeway portion of US 151.[5] Part of the route is shared with Wisconsin Highway 33.
The entire route is in Dodge County.
| Location | mi[12] | km | Destinations | Notes | |
|---|---|---|---|---|---|
| Beaver Dam | 0.0 | 0.0 | .svg.png.webp) US 151 | ||
|  | 0.6 | 0.97 |  CTH-D west | ||
| Beaver Dam | 2.0 | 3.2 |  WIS 33 west | Begin WIS 33 overlap | |
| 2.1 | 3.4 |  WIS 33 east | End WIS 33 overlap | ||
| 4.6 | 7.4 | .svg.png.webp)  US 151 / CTH-B | |||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | |||||
Waupun business loop
    
| 
 
 Business U.S. Highway 151 | |
|---|---|
| Location | Waupun, Wisconsin | 
| Length | 5.1 mi[5] (8.2 km) | 
Business U.S. Highway 151 (Bus. US 151) is a business route of US 151 in Waupun, Wisconsin that is 5.1 miles (8.2 km) long. Formerly the mainline of US 151, it passes through downtown and connects two exits on the freeway portion of US 151.[5] Parts of the route is shared with Wisconsin Highways 49 and 26.
| County | Location | mi[13] | km | Destinations | Notes | 
|---|---|---|---|---|---|
| Dodge |  | 0.0 | 0.0 | .svg.png.webp) US 151 | |
| Waupun | 3.7 | 6.0 |   WIS 49 north / CTH-M north | Begin WIS 49 overlap | |
| Fond du Lac | 3.8 | 6.1 |  WIS 49 south | End WIS 49 overlap | |
| 4.0 | 6.4 |  WIS 26 south | Begin WIS 26 overlap | ||
|  | 4.7 | 7.6 | .svg.png.webp) US 151 south | Begin US 151 overlap | |
|  | 5.1 | 8.2 | .svg.png.webp)  US 151 north / WIS 26 north | End US 151 and WIS 26 overlap | |
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | |||||
References
    
- 2013 Volume of Traffic on the Primary Road System of Iowa (PDF) (Report). Iowa Department of Transportation. January 1, 2013. Retrieved February 15, 2015.
- Google (2009-12-02). "US 151 Bus — Cedar Rapids" (Map). Google Maps. Google. Retrieved 2009-12-02.
- Google (April 29, 2022). "US 151 Bus — Monticello" (Map). Google Maps. Google. Retrieved April 29, 2022.
- Google (April 29, 2022). "US 151 Bus — Cascade" (Map). Google Maps. Google. Retrieved April 29, 2022.
- Bessert, Christopher J. (October 21, 2016). "Wisconsin Business Connections". Wisconsin Highways. Retrieved April 29, 2022.
- Google (April 30, 2022). "US 151 Bus — Platteville" (Map). Google Maps. Google. Retrieved April 30, 2022.
- Google (3 March 2017). "US 151 Bus. - Mineral Point, Wisconsin" (Map). Google Maps. Google. Retrieved 3 March 2017.
- Google (April 29, 2022). "US 151 Bus Mount Hebron" (Map). Google Maps. Google. Retrieved April 29, 2022.
- Google (April 29, 2022). "US Bus 151 - Verona" (Map). Google Maps. Google. Retrieved April 29, 2022.
- Google (April 30, 2022). "US 151 Bus — Sun Prairie" (Map). Google Maps. Google. Retrieved April 30, 2022.
- Google (April 30, 2022). "US 151 Bus — Columbus" (Map). Google Maps. Google. Retrieved April 30, 2022.
- Google (April 30, 2022). "US 151 Bus — Beaver Dam" (Map). Google Maps. Google. Retrieved April 30, 2022.
- Google (April 30, 2022). "US 151 Bus — Waupun" (Map). Google Maps. Google. Retrieved April 30, 2022.
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