Isleton |
Code of Ordinances |
Title XI. SUBDIVISIONS |
Chapter 11.04. REGULATIONS FOR SUBDIVISION OF LAND |
§ 11.04.030. Streets and highways
A.
Freeways, limited-access and unlimited state highways shall conform to the standards of the state division of highways, department of public works, and where same are involved in any subdivision, they shall receive special attention. Said standards of the division of highways shall be deemed to be the minimum standards that will be acceptable.
B.
Major thoroughfares shall not be less than 100 feet wide.
C.
Secondary thoroughfares shall not be less than 80 feet wide.
D.
Local Streets shall be not less than 60 feet wide.
E.
Minor and cul-de-sac streets shall not be less than 50 feet wide except where special conditions might justify a lesser width. The radius at the terminus of the cul-de-sac shall be not less than 40 feet. Cul-de-sac and minor streets shall receive special consideration.
F.
Special local streets where railroads, parkways, grade separations, freeways and hills, or other dominant factors are involved shall receive special consideration.
G.
Along major highways, limited-access highways or freeways, a services roadway separated from the traffic roadway by an acceptable separation strip, when indicated by the master or official plan of the city or the state, will be required for access to abutting private property and local streets. All dimensions in such multiple roadway thoroughfares shall be as defined on the city official plan or state division of highways plan.
H.
Curved major highways shall have a center line radius of not less than 1,000 feet, except in hillside areas where they shall be not less than 300 feet.
I.
Curved secondary thoroughfares shall have a center line radius or not less than 500 feet, except in hillside areas where they shall not be less than 200 feet. Curves on other streets shall have a center line radius of not less than 200 feet lesser radii may be used if evidence indicates above requirements are not practicable.
J.
Street corners shall have a radius of not less than 20 feet or equivalent angle.
K.
Street intersections shall be as near right angles as practicable. In no case should the angle be less than 45 degrees.
L.
Streets which are a continuation of streets in contiguous territory shall be so aligned as to assure that their center lines shall coincide. In cases where straight continuations are not physically possible, such center line shall be continued by curves.
M.
In areas where no official plans exist, the layout of all improvements, including roadways, curbs, parkways, dividing strips, sidewalks, sewer lines and water mains within the rights-of-way of all highways, streets, alley and utility easements shall be in accordance with standards established by the city council and where no such standards have been adopted the arrangement shall be subject to approval by the city engineer, planning commission and city council.