(A) Street layout.
(1) Thoroughfare plan. Proposed streets must be in conformance with the city thoroughfare plan. All arterial and collector street locations, alignments, right-of-way widths, pavement widths and cross-sections shall be in accordance with the adopted plans and standards. Streets that are not on the thoroughfare plan and are proposed to collect traffic from residential streets shall be designed and constructed as minor or major collectors as determined by the Public Works Director.
(2) Consistency with existing streets. The arrangement, character, extent, width, grade and location of each proposed street shall be consistent with streets in the immediate area. However, new streets must meet the minimum current standards. Consideration shall be made for topographical conditions, public safety, convenience and the proposed use of land to be served by such streets.
(3) Entrances to subdivisions. In no case shall platted lots have their sole access through an adjacent jurisdiction. As a rule, new subdivisions must have at least two access streets. Entrances shall be 42 feet wide with a 70-foot right-of-way for a minimum distance of 100 feet from the intersection. A developer may request the approval of one access street if the access street has no connecting streets, terminates in a permanent cul-de-sac or provides access to not more than a total of 30 single-family dwelling lots or an equivalent housing unit density comprised of duplex or multi-family structures. In addition to the single point of access situation presented by streets that end in permanent cul-de-sac, a single point of access may be dictated by property configuration, safety or access management restrictions. In determining if a new subdivision may have one point of ingress/egress, consideration shall be given to:
(a) Traffic circulation and emergency vehicle access;
(b) Traffic and pedestrian safety with due consideration given to school bus routes; and
(c) Topography and visibility distances.
(4) Residential streets. Internal local streets shall be laid out so as to discourage then-use by through traffic when possible.
(5) Secondary access streets. Where a subdivision has frontage on an arterial street, the city may require a secondary access street to facilitate the sharing of curb cuts and/or to separate access to lots from through traffic.
(6) Projection of streets. Where adjoining areas are not subdivided, the developer shall design and construct abutting short stub-outs or temporary turnarounds for the projection of streets at proper block intervals into such unsubdivided areas.
(7) Inadequate or substandard streets. Inadequate or substandard existing streets and other infrastructure shall be upgraded to city standards by the developer, including dedication of an additional right-of-way if necessary. If development is on one side of such a street, the developer shall dedicate an additional right-of-way if necessary, upgrade the street pavement and associated infrastructure on the side that is being platted. Sidewalks shall be constructed or upgraded (if needed) to city standards by the builder/owner prior to the issuance of a certificate of occupancy.
(B) Street design standards.
(1) Street design. Street design shall be in accordance with the city’s standards and specifications.
(2) Curbs and gutters. The developer shall install curbs and gutters on all new streets except as provided in § 154.45, unless required in special situations determined by the city.
(3) Curb cuts. Restrictions to location, design, size and/or number of curb cuts are as required in the Zoning Code.
(4) Pavement standards. Streets shall be paved in accordance with city standards. The city may require increased right-of-way or pavement widths if traffic impacts of the proposed development or conditions in the area merit such changes.
(C) Street classification. All streets within the city shall be located and constructed as shown on the thoroughfare plan and, where not otherwise shown thereon, shall be designed as follows.
(1) Rural roads. Rural roads shall have a roadway surface that is 36 feet in width (measured between the outside edges of ribbon curb), with a minimum 60 feet of right-of-way. Rural roads may have bar ditch(es). The Public Works Director may approve a right-of-way width of 50 feet if a 15-foot wide utility easement is provided for public water and sewer facilities. Ribbon curbs may be allowed in limited cases with the approval of the Public Works Director when sheet flow off of the street is preferred to concentrated discharge.
(2) Residential or local streets. Residential streets shall have a roadway surface that is 36 feet in width (back-of-curb to back-of-curb), with a minimum 60 feet of right-of-way. Where entrances to subdivisions are not part of a collector street, they shall be a minimum of 42 feet wide with 70 feet of right-of-way for a distance of 100 feet from the intersection. Residential streets shall have five-foot to six-foot wide residential sidewalks and amenities as indicated in the adopted sidewalk plan.
(3) Minor collectors. Minor collectors shall have a roadway surface that is 42 feet in width (back-of-curb to back-of-curb), with a minimum of 70 feet of right-of-way. These are streets generally located within subdivisions or between subdivisions to collect traffic from residential streets and to channel this traffic to the major collectors or an arterial. These are limited access roads on which residential lots may have driveway access. Minor collectors shall have six-foot to eight-foot wide connector sidewalks and amenities as indicated in the adopted sidewalk plan.
(4) Major collectors. Major collectors shall have a roadway surface that is 48 feet in width (back-of-curb to back-of-curb), with a minimum of 80 feet of right-of-way. These streets are generally located along borders of subdivisions and within commercial areas to collect traffic from residential areas and to channel this traffic to the arterial system. These are limited access roads on which no residential lots may have driveway access. Major collectors shall have six-foot to eight-foot wide connector sidewalks and amenities on both sides of the roadway as indicated in the adopted sidewalk plan.
(5) Minor arterials. Minor arterials shall have a roadway surface between 60 and 80 feet in width (back-of-curb to back-of-curb), depending on the needs and the design as determined by the city or TXDOT. The right-of-way shall be between 90 and 110 feet, depending on the design requirements as determined by the city or TXDOT. These are limited access roads on which no residential lots may have driveway access. Minor arterials shall have six-foot to ten-foot wide promenade sidewalks and amenities on both sides of roadway as indicated in the adopted sidewalk plan.
(6) Major arterials. Major arterials shall have a roadway surface between 60 and 80 feet in width (back-of-curb to back-of-curb), depending on the needs and the design as determined by the city or TXDOT. The right-of-way shall be between 110 and 120 feet, depending on the design requirements as determined by the city and TXDOT. Major arterials shall have six-foot to ten-foot wide connector or promenade sidewalks and amenities as indicated in the adopted sidewalk plan.
(D) Miscellaneous street requirements.
(1) Property abutting arterials. Where a subdivision abuts or contains an existing or proposed arterial, the Planning and Zoning Commission may require access streets, reverse frontage with a screening buffer containing a non-access easement along the rear property line, deep lots with rear service alleys or other such treatment as may be necessary for adequate protection of residential properties and to afford separation of through and local traffic.
(2) Property abutting railroads. Where a subdivision abuts or contains a railroad right-of-way or limited access highway right-of-way, the Planning and Zoning Commission may require a street approximately parallel to and on the side of such right-of-way.
(3) Reserve strips. Reserve strips controlling access to streets shall be prohibited except where their control is dedicated to the city, under conditions approved by the Planning and Zoning Commission.
(4) Street jogs. Street jogs with centerline off-sets of less than 125 feet shall be avoided.
(5) Street intersections. Streets shall be laid out so as to intersect at right angles, or as nearly as possible to 90 degrees. Six foot concrete valley gutters are required at street intersections where cross drainage will occur.
(6) Non-cul-de-sac designed dead-end streets. Dead-end streets shall be prohibited except for short stub-outs for future roadway extensions. Short stub-out streets may require special terminus treatments for drainage concerns and street integrity. Temporary turnarounds are required if the dead-end street exceeds 150 feet in length.
(7) Cul-de-sac design. For subdivisions with lots of less than one acre, cul-de-sac streets shall not exceed 800 feet in length (as measured from the right-of-way line of the intersecting roadway to the center of the turnaround). For single-family subdivisions with lots greater than one acre, the length may not exceed 1,200 feet. All cul-de-sacs shall be provided at the closed end with a turnaround having a minimum required radius of 50 feet from the face of curb to the center of the cul-de-sac with a minimum 124 foot right-of-way. The right-of-way shall extend a minimum of 12 feet behind the back of curb. The placement section shall meet fire code requirements.
(8) Street names. No street names shall be used which will duplicate or be confused with names of existing streets. Street extensions shall use the existing street names. Street names shall be subject to the approval of the Planning and Zoning Commission.
(9) Street signs. The city, at the developer’s expense, shall install all street signs. The developer shall be charged for the cost of materials only.
(E) Alleys.
(1) Alleys shall generally be parallel to the street.
(2) Alley intersections and sharp changes in alignment shall be avoided. Where two alleys intersect, or where an alley turns, additional width may be required to allow for the turning of vehicles or guying of utility poles.
(3) Easements may be required on either side of the alley or alleys for utility placement.
(4) The width of an alley shall not be less than 20 feet.
(5) Dead-end alleys shall be avoided where possible, but if unavoidable, shall be provided with adequate turn-around facilities at the terminus, as determined by the Planning and Zoning Commission.
(6) Alleys shall paved in the same manner as streets.
(F) Construction standards.
(1) Design. Pavement section design shall be accomplished by a Texas registered professional engineer and shall be based upon a geo-technical analysis performed by a qualified geo-technical professional. All construction shall conform to Appendix A, Tables I through IV and the following adopted regulations where applicable: § 50.02, Chapter 50 of this Code of Ordinances, adoption of “Standard Specifications for Public Works Construction”.
(2) Street surfaces. All street wearing surfaces shall consist of concrete or hot mixed asphaltic concrete (HMAC) laid over a base course of crushed stone which has been designed, and compacted in accordance with city standards and requirements.
(3) Curb and gutter. All curb and gutter, integral curbs, valley gutters, driveway approaches, drainage structures and the like shall be constructed of Class “A” (3,600 PSI) Portland Cement Concrete per city standards.
(Ord. 2010-08, passed 3-9-10; Am. Ord. 2022-54, passed 10-11-22)