Section 125.1920. Internal roads; general requirements; local conditions.

(1) Internal roads shall be approved  by  the  department  when they are in compliance with all of the following general requirements:

(a)    Internal roads shall be constructed in compliance with R 125.1922(1).

(b)     Internal roads shall have access to a public thoroughfare or shall be connected to a public thoroughfare by a permanent easement. The easement shall be recorded before an internal road is approved by the department. Sole access by an alley is prohibited.

(c)      Dead end internal roads shall terminate with one of the configurations listed in the 2003 edition, international fire code, appendix D, figure D103.1 dealing with dead end fire apparatus access roads, which is adopted by reference in R 125.1102 of these rules.

Parking shall not be permitted within the turning area, which shall  be posted within the turning area.

(d)    A safe-sight distance of 200 feet shall be provided at intersections.

(e)      Offsets at intersections or intersections of more than 2 internal roads are prohibited.

(f)        Internal roads shall have driving surfaces with widths not less than the following:

(i) No parking…………………………………………………21 feet.

(ii)     Parallel parking, 1 side…………………………………….31 feet.

(iii)     Parallel parking, 2 sides…………..……………………...41 feet.

(2) All entrances to new communities or new entrances to  expanded communities shall be a minimum of 33 feet in width. The entrance shall consist of an ingress lane and a left and right egress turning  lane  at  the point of intersection between a public road and the community's internal road and shall be constructed as follows:

(a)     All turning lanes shall be a minimum of 11 feet in width and 60 feet in depth measured from the edge of the pavement of the public road into the community.

(b)       The turning lane system shall be tapered into the community internal road system commencing at a minimum depth of 60 feet.

(c)     The ingress and right egress turning lanes of the ingress and egress road shall connect to the public road and shall have a radius determined by the local public road authority. The intersection of the public road and ingress and egress road shall not have squared corners.

(d)         Alternative designs that provide for adequate ingress and egress shall be approved by the department.

History: 1979 AC; 1980 AACS; 1991 AACS; 1998 AACS; 2003 AACS; 2008 MR 11,