Orange County NC Website
Refer to the attachments for an illustration of the build peak hour traffic volumes with the existing <br />volumes along NC 54 (in red) from the count data and the site trips (in blue) based on the <br />distributions listed on the previous page at the proposed intersection of NC 54 and Site Drive. <br /> <br />Based on the NCDOT turn lane warrant methodology, turn lanes were not warranted for the <br />proposed driveway along NC 54. Refer to the attachments for the Turn Lane Warrant Chart for the <br />proposed driveway. <br /> <br />Capacity Analysis <br />Capacity analysis at the proposed driveway was completed according to NCDOT Congestion <br />Management Guidelines. The proposed unsignalized intersection of NC 54 and Site Drive was <br />analyzed under build traffic conditions with the lane configurations and traffic control shown in <br />Table 2. Build traffic is comprised of the existing traffic from the count data and the proposed site <br />trips. Refer to the attachments for the Synchro capacity analysis and SimTraffic queueing reports. <br /> <br />Table 2: Analysis Summary of NC 54 and Site Drive <br />Analysis <br />Scenario <br />A <br />P <br />P <br />R <br />O <br />A <br />C <br />H <br />LANE <br />CONFIGURATIONS <br />WEEKDAY AM <br />PEAK HOUR <br />LEVEL OF SERVICE <br />WEEKDAY PM <br />PEAK HOUR <br />LEVEL OF SERVICE <br />Approach Overall <br />(seconds) Approach Overall <br />(seconds) <br />Build <br />EB <br />WB <br />SB <br />1 LT-TH <br />1 TH-RT <br />1 LT-RT <br />A1 <br />-- <br />D2 <br />N/A <br />B1 <br />-- <br />D2 <br />N/A <br />Improvements shown in bold. <br />1. Level of service for major-street left-turn movement. <br />2. Level of service for minor-street approach. <br /> <br />Capacity analysis of build conditions indicates that the major-street left-turn movement and the <br />minor-street approach are expected to operate at LOS D or better during the weekday AM and PM <br />peak hours. SimTraffic reports indicate the maximum queues for the southbound approach are not <br />expected to exceed 53 feet during either peak hour. <br /> <br /> <br />72