§ 16.30.020. Classification of streets.

The developer shall classify each street shown on the plat of development as to its functional use as follows.

A.

Arterial Street. An arterial street is a major street that serves to circulate traffic into, out of, or around the city, and which carries, or is intended to carry high volumes of traffic. It is designed to carry between four thousand and twenty-four thousand trips per day.

B.

Collector Street. A collector street is a street that serves to carry traffic from local and minor streets to other collectors or arterial streets. It may provide limited access to some abutting properties. It is designed to carry between one thousand and three thousand nine hundred ninety-nine trips per day.

C.

Local Street. A local street is a street whose primary function is to provide access to abutting properties. It is designed to carry between one hundred and nine hundred ninety-nine trips per day.

D.

Minor Street. A minor street is a street whose sole function is to provide access to abutting properties. It is designed to carry less than one hundred trips per day.

E.

Business Access and Industrial Access Streets. Streets providing access to commercial or industrial property shall be classified as "business access streets" or "industrial access streets," respectively.

F.

Street Layout. The street layout shall provide access to all lots and parcels of land within the development, and where streets cross other streets, jogs shall not be created.

G.

Cul-de-sacs. Cul-de-sacs are prohibited. In the event that the city council should grant a variation from this requirement, the maximum length for a cul-de-sac shall be four hundred fifty feet as measured from the centerline of the intersection at the origin to the center of the cul-de-sac circle.

H.

Proposed Streets. Proposed streets shall be adjusted to the contour of the land so as to produce usable lots and streets of reasonable gradient.

I.

Continuing Streets. To the extent practical and consistent with other standards in this title, existing streets shall be continued into the development tract.

J.

Access to Adjacent Property. Every development shall provide access to the adjacent development (in the nature of stub-outs to those developments) where the access is necessary or desirable to provide an adequate system of streets in the general area of which the development is a part. Without restricting the above principle, access shall be required for adjacent properties whenever the boundary of any side of a tract of land proposed for development exceeds one thousand five hundred feet in length. However, access shall not be required on a side of a tract where physical barriers would prevent a street from practically being continued, as where the boundary of the tract is a creek which could be crossed only with a bridge, or a steep slope which could not be graded to an acceptable slope for the street intended. For purposes of applying this standard, sides of the tract shall be combined to constructively create a four-sided figure.

K.

Normal Circulation. Certain proposed streets, where appropriate, shall be extended to the boundary of the tract to be subdivided so as to provide for normal circulation of traffic within the vicinity. There shall be no reservation of strips of land that prevent or limit access to land dedicated or intended to be dedicated to public use.

L.

Adjacent Streets. Wherever there exists a dedicated or platted portion of a street or alley adjacent to the proposed development, the remainder of the street or alley to the prescribed width shall be platted within the proposed development.

M.

Arterial and Feeder Streets. Widths of arterial and feeder streets shall conform to the widths specified in the thoroughfare plan.

N.

Right-of-way. The minimum right-of-way of residential streets, including marginal access streets, shall be sixty-six feet.

O.

Alleys. Alleys shall not be permitted in residential areas, unless part of a planned neighborhood project where rear loading is required. Alleys may also be included in commercial and industrial areas where needed for loading and unloading or access purposes, and, where platted shall be at least twenty feet in width.

P.

Centerlines. The centerlines of streets should intersect as nearly at right angles as possible.

Q.

Intersections. At intersections of streets and alleys, property line corners shall be rounded by arcs of at least twenty-five feet radii or by chords of such arcs to back of curb and gutter. If the smaller angle of intersection of two streets is less than sixty degrees, the radius of the arc at the intersection of property lines shall be increased as deemed advisable by the plan commission.

R.

Return Radii at Intersections and Corner Lots. Return radii at all intersections shall be a minimum of twenty-five feet to the back of curb with curb and gutter, and fifty feet to edge of pavement without curb and gutter. The right-of-way lines at the intersection of corner lots shall have a twenty-five foot radius. The city may increase the radii where it is justified by use or street classification.

S.

Temporary Dead End Street. In the event that a street extends to the property line of a tract which is undeveloped, and where there is a potential for extending the street into that undeveloped parcel at such time as that parcel were developed, then the street may be temporarily terminated by a "T-turnaround," provided it is no longer than one lot in length and driveway access shall not be allowed to or from it.

T.

Street Jogs. Intersections of more than two streets at one point shall be avoided. No new street will intersect a collector or arterial street at a distance closer than six hundred sixty feet from the next parallel intersecting street. No new street will intersect a local or minor street at a distance closer than three hundred fifty feet from the next parallel intersecting street.

U.

Medians. The developer may elect to build streets, or portions thereof, with a landscaped median. Any median shall be at least twelve feet in width. Cross-sections shall be widened as necessary.

V.

Half Streets. Half streets are prohibited.

W.

Private Streets. No private streets are allowed.

X.

Parkways. Where parkways or special types of streets are involved, the plan commission may designate special standards to be followed in the design of the parkways or streets.

Y.

Use of Land between Highways and Railroads. Whenever the proposed development contains or is adjacent to a railroad right-of-way or a highway designated as a limited access highway by the appropriate highway authorities, provision shall be made for a marginal access street or a parallel street at a distance acceptable for the appropriate use of the land between the highway or railroad and such street.

Z.

Visibility. Horizontal visibility on curved streets and vertical visibility on all streets must be maintained along the centerlines as follows:

1.

Arterial streets: five hundred feet.

2.

Feeder streets and parkways: three hundred feet.

3.

Residential streets: one hundred fifty feet.

AA.

Minimum Radius. Curvature measured along the centerlines shall have a minimum radius as follows:

1.

Arterial streets: five hundred feet.

2.

Feeder streets and parkways: three hundred feet.

3.

Residential streets: one hundred fifty feet.

BB.

Tangents. Between reversed curves on arterial streets, there shall be a tangent of not less than one hundred feet, and on feeder and residential streets the tangent shall not be less than forty feet.

CC.

Reverse Curves. Reverse curves on arterials and collectors will be separated by a straight roadway section consistent with standards set out in the IDOT Local Road Manual.

DD.

Maximum Grades. Maximum grades for streets shall be as follows:

1.

Arterial streets: not greater than six percent.

2.

Feeder and residential streets and alleys: not greater than ten percent.

EE.

Minimum Grades. The minimum grade of any street gutter shall not be less than five percent

FF.

Street Names. Proposed streets that are extensions of or in alignment with existing streets shall bear the same name as that borne by the existing street. All streets shall be named, and in the case of branching streets, the line of departure from one street to another shall be shown. Each street shall have a unique name, which will not duplicate any other in the same or adjoining township. The use of continuing streets with the same name differentiated only by compass direction or different name shall not be permitted. A loop street shall have only one street name for the entire loop. Street names are to be approved by the city.

(Ord. 02-13 § 1 (part), 2002).

(Ord. No. 2013-20, §§ 5, 11, 2-5-2014)