12.20.060 Street naming standards.
A. Selection of Street Names.
1. Names shall be pleasant sounding, appropriate, easy to read; so that the public, and children in particular, can pronounce the name in an emergency situation; and should add to the pride of property ownership.
2. Street names shall not be duplicated, nor shall the same street have more than one name. A street name is a duplicate if either of the following conditions exist:
a. A street has the same name as another street even if their suffix designations differ;
b. A street name sounds similar to the name of another street despite a difference in spelling.
3. Unacceptable Street Names.
a. Numerical names (1st, 2nd or similar) or alphabet letters;
b. Names which may be considered frivolous or in poor taste;
c. Complicated names, names with unconventional spelling, proper names of existing commercial enterprises or difficult to pronounce names;
d. Names which include words or syllables which might be confused with prefix or suffix designations (such as Northglen Drive or Circle Drive);
e. Length of street name (see subsection (A)(6)(b) of this section);
f. Names consisting of letters without vowels (NRM Way);
g. Names of living individuals, including intersecting streets names which produce a similar effect (i.e., John Smith intersect Smith Lane).
4. Naming and Street Configuration.
a. Cul-de-sacs, as defined in SCC 12.20.030, shorter than 200 feet and providing access to five or fewer lots shall not be named and shall assume the name of the intersecting through street. Where there is a series of long and short cul-de-sacs, all shall have separate names;
b. A cul-de-sac may bear the same name as its intersecting through street with a different suffix designation and not be considered a name duplication;
c. Diagonal streets, or streets which change direction, or loop back onto themselves or another street, shall be given one directional prefix based on the street’s overall orientation in context with surrounding streets. A street may change directional prefix only where it crosses a grid system baseline, or a state route;
d. Major arteries and highways which change direction for a significant distance may change directional prefixes at the most logical and convenient break point;
e. Streets located on the same alignment in the same geographical region shall bear the same name and directional prefix though they are not physically connected.
5. Suffix Designations.
a. Appropriate street name suffixes include, but are not limited to, the following:
i. For a highway or major arterial street: Highway, Road, Boulevard, Avenue, Parkway;
ii. For a local through street: Road, Drive, Lane, Way, Avenue, Street;
iii. For a short street or cul-de-sac: Way, Court, Place;
iv. For a street connecting to the same street as both ends: Circle.
b. Standard Abbreviations. Avenue: Ave. or Av.; Boulevard: Blvd.; Circle: Cir.; Court: Ct.; Drive: Dr.; Highway: Hwy.; Lane: Ln.; Parkway: Pkwy.; Place: Pl.; Road: Rd.; Street: St.; Terrace: Ter.; Trail: Tr.; Way: Wy.
6. Naming and Street Name Signs.
a. All street name signs shall conform to the following standards:
i. Length of sign not to exceed 42 inches for residential area signs; nonresidential area signs shall not exceed 48 inches.
ii. Sign blade shall be flat stock aluminum with a one-eighth-inch thickness. Residential area signs shall be six inches wide. Nonresidential area shall be eight inches wide.
iii. Street names shall have engineering grade white retroflective lettering, either heat activated 3M No. 2290 or equivalent, or pressure activated 3M No. 3290, or equivalent having a minimum stroke width of one-half inch. Residential area signs shall have the lettering four inches high; nonresidential area signs shall have lettering six inches high.
iv. Standard abbreviations as specified in the list of street names to be provided to the successful bidder are acceptable except for the street name itself. Letter height for street suffixes, prefixes and block numbers for highway signs shall be two inches and reflectorized.
v. Type “C” letters shall be used for residential area and for nonresidential area signs.
vi. The background color shall be nonreflective fade-proof, U.S. Forest Service brown enamel or resin, color No. 100219.
vii. Post-to sign and sign-to-sign mounting brackets shall be high strength, die-cast aluminum for mounting on two-inch by two-inch perforated steel breakaway posts.
viii. All signs placed on a public road right-of-way shall be approved by the city engineer.
ix. All street name signs shall be installed posts as per the specifications of the city engineer.
b. Length of street names shall be limited to spacing consistent with the allowable sign length, which shall not exceed 17 letters, including the suffix and spacing; examples: acceptable – Prairie Falcon Dr; unacceptable – Camino Del Caballo.
7. Street Naming for New Subdivisions.
a. After approval of a preliminary plat map and before submittal of a final plat, pursuant to Ordinance 90-2, the subdivider shall submit a street naming proposal to the city engineer which includes:
i. A map of the overall tract illustrating street layout and the name proposed for each street; and
ii. An alphabetical list of the proposed street names, together with an alternate name for each name proposed. The city engineer shall review the street-naming proposal for duplication of names, appropriateness of names and for overall compliance with this section. The city engineer may modify or amend the proposal as he deems necessary to bring it into conformance with that section. The decision of the city engineer may be appealed pursuant to SCC 12.20.050. The approved street names and numbering shall be included in the final plat map by the subdivider.
b. Street name signs, approved by the city engineer, shall be installed by the subdivider at the intersection of all streets and highways and at such other locations as may be determined to be necessary by the city engineer. Street name signs may be placed on top of stop signs or yield signs, if approved by the city engineer.
8. Location of Various Street Sign Types.
a. The city engineer shall maintain a record of the types of signs to be installed at the various intersections.
b. When the speed limit in a residential area exceeds 25 miles per hour then nonresidential area signs shall be used at intersections. [Code 2006 § 7-16-6. Ord. 90-21, 10-9-1990; Ord. 2008-05, 6-10-2008; Ord. 2008-11, 10-14-2008].