§ 423. Transportation Impact Report.
423.01. Purpose. The transportation impact report shall identify the traffic impacts of a proposed use. The report shall show improvements required to: insure safe ingress to and egress from a proposed development; maintain adequate street capacity, and eliminate hazardous conditions. The report also will be used to determine whether the proposed development is consistent with transportation-related policies of the City of Arab.
423.02. Applicability. The Planning Commission and/or the City Engineer, particularly in the following cases, may require a transportation impact report:
A.
Any development that proposes to take direct access to any collector or arterial road.
B.
Any residential development that proposes the construction of 30 or more dwelling units.
C.
Any use that will generate in excess of either 100 trips per acre per day or 250 trips per day. Trip generation rates for proposed uses shall be determined by consulting the latest edition of Trip Generation published by the Institute of Transportation Engineers, and/or the City Engineer.
423.03. Contents of transportation impact report. The transportation impact report shall contain, as a minimum, the following data and information:
A.
General site description. A detailed description of the highway network within one (1) mile of the site, a description of the proposed land uses, the anticipated stages of construction, and the anticipated completion date of the proposed land development shall be provided. This description, which may be in the form of a map, shall include the following items: (a) all major intersections, (b) all proposed and existing ingress and egress locations, (c) all existing roadway widths and rights-of-way, (d) all existing traffic signals and traffic-control devices.
In addition, any changes to the highway network within one-half (½) mile of the site, proposed by any governmental agency, shall be described. This description shall include the above items, as well as any proposed construction project that would alter the width and/or alignment of the present highway. Such information can be obtained from the City Engineer, County Engineer and Office of the Division Engineer, Alabama Department of Transportation.
B.
Description of existing traffic conditions. A report based on the following shall be provided: A 24-hour traffic count shall be conducted for a period of five (5) weekdays (Monday—Friday) on all roadways that have direct access to a proposed development site. The existing average daily traffic (ADT) volume and the highest average peak hour volume for any weekday hour between 3 PM and 6 PM shall be recorded. These traffic volumes shall be averaged to determine the average hourly peak traffic volume for the five days Monday through Friday.
C.
Transportation impact of the development. The average weekday trip generation rates (trip ends) and the highest average hourly weekday trip generation rate between 7 AM and 9 AM and between 3 PM and 6 PM for the proposed use shall be determined from the latest edition of Trip Generation published by the Institute of Transportation Engineers, or from figures provided by a qualified traffic engineer. A report shall be made detailing the nature and extent of the trip generation expected to result from the proposed development.
D.
Analysis of transportation impact. The projected total future peak hour traffic demand shall be calculated for all roads fronting on a proposed site and all major intersections within one-half (½) mile of the site. This demand shall consist of the anticipated traffic that will be generated by the proposed development, plus an assumed normal increase of traffic volume of one (1) percent per year, unless traffic-engineering studies indicate a different rate of change. An analysis shall be undertaken to determine if roadways and intersections will operate at the appropriate level of service following completion of the development given the future peak hour traffic that will be generated by the proposed development.
423.04. Traffic control devices. Whenever, as the result of additional traffic generated by a proposed development, it is determined that there is a need for a traffic signal, a regulatory sign, additional right-of-way or acceleration/deceleration lanes, the developer shall make such planned improvements a part of his development plans and shall propose a schedule to the Planning Commission for making such improvements Anticipated improvements required by future development, and the developer share in those improvements, are listed in the following paragraphs.
A.
Traffic signs. Include the normal stop, yield, caution, and street signs, but also may include special signs such as "watch for traffic entering", "blind hill" and "pedestrian crossing", may also be required. Such signs will be placed by the developer entirely at the developers' expense. These signs shall be specified, installed, and maintained in accordance with the Manual on Uniform Traffic Control Devices.
B.
Traffic signals. Include any and all lighted signals. Such installations will be placed at the direction of the agency having jurisdiction. This paragraph also applies to signalization and improvement of railroad crossings. Because of the timing of the actual installation of signals by authorized agencies, the developer will be required to post a bond guaranteeing the estimated cost of improvements covered by this paragraph.