Every operator of a vehicle approaching an intersection at which an official traffic control device is erected in accordance with this chapter shall obey the direction of such official traffic control device as required by the Wisconsin Statutes incorporated by reference in § 432-1 of this chapter. Operators of vehicles approaching a stop sign shall stop before entering a highway as required by § 346.46, Wis. Stats. Operators approaching intersections at which a yield sign has been installed shall yield the right-of-way to other vehicles as required by § 346.18(6), Wis. Stats.
A. 
Definition. For purposes of this section, "heavy traffic" shall be defined as:
(1) 
All vehicles not operating completely on pneumatic tires; and
(2) 
All vehicles or combination of vehicles, other than motor buses, designed or used for transporting property of any nature and having a gross weight of more than 12,000 pounds.
B. 
Prohibited routes. Heavy traffic is prohibited from using any City street or highway not designated as a heavy traffic route. This section shall not act to prohibit heavy traffic from using a City street or highway for the purpose of obtaining orders for supplies or moving or delivering supplies or commodities to or from any place of business or residence which has an entrance on such street or highway. Furthermore, this section will not act to prohibit heavy traffic from using any City streets over which are routed state trunk highways. When being driven to the site of any construction, repair or maintenance of electric, gas or water service, vehicles owned and operated by a public utility will be exempt from the provisions of this section.
C. 
Administration. The Chief of Police shall administer this section. Administration shall include:
(1) 
Posting of signs. Appropriate signs shall be posted giving notice of this section and of the heavy traffic routes established herein. Yellow signposts may also be used to designate heavy traffic routes.
(2) 
Maps. Maps of the City showing heavy traffic routes shall be prepared and shall be available upon request by heavy traffic operators and owners.
(3) 
Construction equipment.
(a) 
The Chief of Police may grant temporary permits to allow heavy construction equipment to use City streets or highways not designated as heavy traffic routes. These permits may be granted only when use of a nondesignated route is necessary for the equipment to reach a construction site. No permit may be issued unless the person or corporation owning the equipment agrees to reimburse and hold the City harmless for any damage done to the City street by the equipment and/or any personal injury or property damage caused in part or in whole by the street damage.
(b) 
City-owned or -operated equipment is specifically excluded from the provisions of this section.
D. 
Liability. Any operator, corporation, owner or agent whose heavy traffic vehicle damages any City streets or highways in violating this section shall be liable and required to pay the City the cost of repair or replacement of the damaged street or highway.
E. 
Routes designated. The following streets and parts of streets are designated as heavy traffic routes:
(1) 
State Highway 13.
F. 
Certain streets prohibited. No person shall operate a heavy traffic vehicle on any streets or parts of streets not designated in Subsection E; provided, however, the ordinary use of such streets for obtaining orders for supplies, or moving or delivering supplies or commodities to or from any place of business or residence fronting on such streets shall be permitted, but the weight of the vehicle and its load shall not exceed the limitations of §§ 348.15 and 348.16(3), Wis. Stats., pertaining to Class "A" highways or deliveries on Class "B" highways.
Pursuant to § 349.10, Wis. Stats., the following streets and parts thereof are declared to be one-way streets and no person shall operate any vehicle thereon except in the indicated direction:
A. 
Unnamed street adjacent to Colby High School.
(1) 
An unnamed City street in the City of Colby bordering the Colby High School parking lot on the easterly side, and easterly of North Second Street in the City of Colby requires, in the interest of public safety, one-way traffic so as to prohibit egress onto Second Street at the terminus of the unnamed street, with Second Street in the vicinity of West Dolf Street.
(2) 
All traffic shall enter the unnamed street bordering along the easterly edge of the Colby High School parking lot and terminating at an angle at Second Street north of West Dolf Street and shall proceed only in a northerly direction. No egress from said unnamed street shall be permitted at the intersection of the unnamed street with Second Street in the general vicinity of West Dolf Street, and all traffic traversing the unnamed street shall proceed only in a northerly direction to the northerly terminus.
In the interest of public safety and pursuant to § 349.07, Wis. Stats., the following streets or portions thereof are declared be to through highways, and traffic signs or signals giving notice thereof shall be erected in accordance with § 432-3:
A. 
State Highway 13 as it runs north and south within the corporate boundaries of the City of Colby and County Trunk "N" as it runs east and west within the corporate boundaries of the City of Colby.
A. 
Official stop sign compliance. Every operator of a vehicle approaching an official stop sign shall stop in the manner prescribed in § 346.46, Wis. Stats. Proper City officers/employees and their designees are authorized and directed to install stop signs on the designated City highways, roads and streets indicating such requirements.
B. 
Stop signs enumerated. Stop signs shall be placed in locations as determined by resolution of the Common Council.
A. 
Official yield sign compliance. Every operator of a vehicle approaching an official yield sign shall stop in the manner prescribed in Ch. 346, Wis. Stats. Proper City officers/employees and their designees are authorized and directed to install yield signs on the designated City highways, roads and streets indicating such requirements.
B. 
Yield signs enumerated. Yield signs shall be placed in locations as determined by resolution of the Common Council.