Section 231.06. Commercial — urban.

  On urban type highway cross section, driveways serving commercial or industrial establishments shall conform to the following:

(1)   Width of drive. No driveway shall have a width greater than 35 feet measured at right angles to the centerline of the driveway, except as increased by permissible radii.

(2)   Return radii. The return radii projected between the line of face of curb of the highway and the driveway shall be determined by the department basing its decision on the type of traffic and the restrictions given in subs. (1) and (4) . In all cases, the entire flare shall fall within the right of way.

(3)   Angular placement of drive. The angle between the centerline of the driveway and the curb line shall be not less than 45 ° .

(4)   Island areas.

(a) When sidewalk is adjacent to curb, an island of a minimum length of 6 feet, measured along the curb line, shall be placed between each entrance to a state highway. The curb shall be left intact for this length.

(b) When sidewalk is remote from curb, an island of a minimum length of 10 feet measured along the right-of-way line shall be maintained between each entrance to a state highway. All flares shall be tangent to the curb line.

(c) A curb length of not less than 3 feet shall be left undisturbed adjacent to each property line to serve as an island area should the adjoining property owner request a permit for an entrance.

History: 1-2-56 ; am. (2) and (3), Register, January, 2001, No. 541 , eff. 2-1-01.