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Offering planning and engineering.
ADOT South Central District I-10 Corridor Ramp Operations
Interstate 10 (I-10) within the Southcentral District has undergone a number of changes over the past ten years. Between Twin Peaks Road and 22nd Street, there are several reconstruction projects along the corridor, including I-10 mainline reconstruction from 29th Street to Prince Road and newly reconstructed traffic interchanges including Twin Peaks Road, Prince Road, and Ina Road (underway). Most interchanges have ramp metering conduit installed but the system hardware is not. Traffic volumes and dual left-turn crossroads are increasingly causing dense platoons of merging traffic which may benefit from metering.
Y2K was asked to assist the prime with the primary goal of this study to determine current and future traffic control needs for the I-10 corridor between Twin Peaks Road and 22nd Street. This study will determine if and when the ramp metering infrastructure should be utilized and how it would operate. In addition, this study will re-evaluate the traffic control at the frontage road junctions to determine if the systematic “yield” control is appropriate or if “stop” control should be provided.