Section 16.32.090 Streets and roads.

1. The arrangement, type, extent, width, grade and location of all streets shall be considered in their relation to existing and planned streets, to topographical conditions, and to public convenience and safety, and in their relation to the proposed uses of the land to be served by them.

3. Where streets terminate, either a cul-de-sac or "T" turnaround shall be provided at the terminus. Cul-de-sacs and "T" turnarounds shall conform to the design specifications.

4. All streets within a subdivision shall either be dedicated to the public or be private streets to be owned and maintained by an approved property owners' association.

5. Residential driveways shall not have direct access to primary highways. Where no reasonable option is available, the Montana Department of Transportation may issue a road approach permit.

7. Whenever a subdivision abuts or contains an existing or proposed arterial highway or major thoroughfare, the city council may require frontage roads, with a reservation prohibiting access along the rear property line, deep lots, or other treatment as may be necessary for adequate protection of residential properties and to separate arterial and local traffic.

a. Streets shall intersect at ninety (90) degree angles, except when topography precludes, and in no case must the angle of intersection be less than sixty (60) degrees to the center line of the roadway being intersected.

b. Two streets meeting a third street from opposite sides shall be offset at least one hundred twenty-five (1250) feet for local roads and three hundred (300) feet for arterials or collectors.

d. Intersections of local streets with major arterials or highways shall be kept to a minimum.

e. Intersection design shall provide acceptable visibility for traffic safety as dictated by the designed operating speeds on the individual roadways.

f. Hilltop intersections are prohibited, except where no alternatives exist. Intersections on local roads within one hundred (100) feet of a hilltop are prohibited. Intersections on arterial and collector roads within two hundred (200) feet of a hilltop are prohibited.

10. Names of new streets aligned with existing streets shall be the same as those of the existing streets. Proposed street names shall not duplicate or cause confusion with existing street names.

1. All public roadway improvements including pavement, curbs, gutters, sidewalks and drainage shall be constructed in accordance with the specifications and standards of the city. The improvements for private roadway easements shall be established by the planning board and the zoning board of adjustment during their review and approval process.

2. Roadway subgrades shall be free of topsoil, sod, vegetation or organic matter, soft clay, or other substandard materials, properly rolled, shaped and compacted in accordance with the specifications and standards of the city.

3. Streets and roads shall be designed to ensure proper drainage, including but not limited to surface crown, culverts, curbs and gutters, drainage swales and storm drains.

4. Where access from a public road to the subdivision will cross properties not owned by the subdivider, the subdivider shall obtain proper easements, at least sixty (60) feet wide, from each property owner or the appropriate administrator of public lands. Each easement shall allow construction and perpetual maintenance of a road across the property and allow vehicular travel on the road.

a. Adequate and appropriate easements shall be granted by each property owner through a signed and notarized document that grants the easement in conformance with subsection (B)(1) of this section.

b. The location of any road easement shall be shown on the plat or on a supplemental map. The existence of easements shall be noted on the face of the final plat and on any deeds or other instruments conveying lots within the subdivision.

5. Existing trees and other vegetation shall be preserved whenever possible. Plantings may be required for buffering, screening, or soil erosion protection and are subject to approval by the city.

6. Street light installation may be required by the city on all streets within the subdivision or may be included as part of the public improvements agreement.

7. Street or road signs and traffic control devices of the size, shape and height as approved by the city shall be placed at all intersections by the developer or included as part of the public improvements agreement. Traffic control devices shall be consistent with the "Manual on Uniform Control Devices" available from the Montana Department of Transportation.

8. If mail delivery will not be to each individual lots within the subdivision, the developer shall provide an off-street area for mail delivery within the subdivision in cooperation-with the United States Post Office. Responsibility for maintenance may be included as part of the public improvements agreement.

9. An addressing system shall be developed by the developer in conformance with the addressing requirements of the city.

Minimum Design Standards Public Rights-of-Way Street R-O-W or Easement

Roadways shall conform to the AASHTO Policy on Geometric Design, 1990 version or any amended versions of same.

The design and improvements required for private roadway easements shall be established by the planning board and the zoning board of adjustment during their review and approval process.