4 description of the human environment, potential ... - Lee Altenberg

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Final Environmental Impact Statement o Northbound and Southbound Approaches: Provide an exclusive left-turn lane (with a protected left-turn signal phase), two exclusive through lanes, and an exclusive right-turn lane. o Eastbound Approach: Remain as an exclusive left-turn lane and a shared through/right-turn lane (with a permissive signal phase). o Westbound Approach: Provide an exclusive left-turn lane, an exclusive through lane and an exclusive right-turn lane (with a permissive signal phase). Modify the Wailea Alanui Drive/Kaukahi Drive intersection to provide the eastbound and westbound approach with an exclusive left-turn lane and a shared through/right-turn lane in conjunction with the build-out of the Mäkena Resort. The following is the a based on the assumption that the above improvements are actually implemented. It is important to note, however, that with the exception of adding a signal Drive/Mikioi Place intersectionwhich is a condition of approval of the Kai Malu Project (MF-8) projectit is not known if or when any of these improvements would be built without Honuaula, or if the State, the County, or others would be willing or able to fund them. -lanes would be necessary between its intersections with Kilohana Drive/Mäpu Place and Wailea Ike Drive. Highway/Okolani Drive/Mikioi Place intersection also would be necessary. If these improvements are undertaken, the intersections with Kilohana Drive/Mäpu Place and Okolani Drive/Mikioi Place would operate at LOS D or better during both the AM and PM peak hours of traffic. but a signal is installed at the Okolani Drive/Mikioi Place intersection, some movements at the Kilohana Drive/Mäpu Place intersection and the Okolani Drive/Mikioi Street intersection would operate at LOS F during the AM and PM peak traffic hours. Drive/Mikioi Place intersection, traffic conditions at during both the AM and PM peak hours of traffic. Without the widening of Piilani Highway, traffic conditions at intersections along Piilani Highway would be expected to operate at a worse level of service. left-turn movement at the un-signalized intersection of Wailea I will operate at LOS F for left turns exiting it is not uncommon for a low volume side street such as Kälai Waÿa Street to experience long delays, CHAPTER 4 DESCRIPTION OF THE HUMAN ENVIRONMENT, POTENTIAL IMPACTS, AND MITIGATION MEASURES 126
Final Environmental Impact Statement especially when trying to cross or execute a left-turn onto a high volume roadway such as Wailea Ike Drive. At the Wailea Ike Drive/Kälai Waÿa Street intersection, it is projected that approximately 10 and 15 vehicles will utilize the northbound left-turn movement during the AM and PM peak hours of traffic, respectively. Due to low traffic volumes on Kälai Waÿa Street, the projected traffic volumes at this intersection will not warrant the installation of a traffic signal according to the Highway Capacity Manual 8 . South Kïhei Road/Kilohana Drive For all periods (2016, 2018, and 2022), the South Kïhei Road/Kilohana Drive intersection will continue to operate at level LOS C or better during both the AM and PM peak hours of traffic. Intersections Along Wailea Alanui Drive By 2016 all intersections along Wailea Alanui Drive will continue to operate at LOS D or better during both the AM and PM peak hours of traffic, with the exception of the Wailea Alanui Drive/Kaukahi Street intersection, which is projected to operate at LOS E or worse for left turn movements entering Kaukahi Street during the PM peak hour of traffic However, because of the relatively low volumes of traffic entering Kaukahi Street, a traffic signal will not be warranted at this intersection according to the Highway Capacity Manual. The TIAR recommends that the east and west approaches from Wailea Alanui Drive be restriped to provide shared through/right turn lanes and exclusive left-turn lanes to Kaukahi Street; however this restriping is only recommended due to the projected build-out of the Mäkena Resort. By 2018, if the projected build-out of Mäkena Resort is realized and the east and west approaches from Wailea Alanui Drive have been restriped to provide shared through/right turn lanes and exclusive left-turn lanes to Kaukahi Street, all intersections along Wailea Alanui Drive will operate at LOS D or better during the AM and PM peak traffic hours except for: 1) the northbound left-turn movement at the all-way stopped controlled intersection of Wailea Alanui Drive/Okolani Drive during the PM peak traffic hour (LOS E); and 2) the eastbound and westbound left turn movement at the un-signalized intersection of Wailea Alanui Drive/Kaukahi Street during the PM peak traffic hour (LOS E or worse). However, because of the relatively low volumes of traffic making left turns from 8 The Highway Capacity Manual (HCM), a publication of the national Transportation Research Board, is the standard reference for transportation and traffic engineering scholars and practitioners and contains concepts, guidelines, and computational procedures for computing the capacity and quality of service of various roadway facilities. Traffic engineering scholars and practitioners use the HCM in conjunction with the Manual on Uniform Traffic Control Devices (MUTCD), a publication of the FHWA, to determine whether a traffic signal will likely be warranted for future conditions. Both the State DOT and the County of Maui DOT use the HCM and the MUTCD as their standard references. CHAPTER 4 DESCRIPTION OF THE HUMAN ENVIRONMENT, POTENTIAL IMPACTS, AND MITIGATION MEASURES 127
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4 description of the human environment, potential ... - Lee Altenberg

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