Wembley Sports Park Integrated Access, Traffic and Car Parking Plan

AECOMWembley Sports Park Integrated Access, Traffic and Car Parking Plan33departures (for the netball events) follow a normal distribution as illustrated in Figure 16. The results show thatarrivals occur over at least 40 minutes with a peak at about 25 minutes before events. The departures are moreintensified with a peak between 15 and 20 minutes after events. The frequency distribution shown in Figure 16was used for all events. This assumption was tested and found to produce reasonable results.Figure 16Observed Arrival and Departure Patterns20%18%16%14%12%10%8%6%4%2%0%-40min -35min -30min -25min -20min -15min -10min -5min 0min 5min 10min 15min 20min 25min 30minArrivalDeparture5.2 Development Parking Demand Trip GenerationThe trip generation analysis numbers are included in Appendix A. Table 6 shows a summary of the final resultsand the figure used for capacity analysis. Table 5 shows that the critical scenario is Winter Saturdays, during thenetball and Australian Rules football season. The forecast trip generation (between 7:00am and 7:00pm) isapproximately 3,600 round trips (7,200 one way trips) in Stage 1, increasing to approximately 3,700 round trips(7,400 one-way trips) in Stage 2. The forecast peak 15-minute flows are 305 in and 337 out in Stage 1, and 335 inand 337 out in Stage 2. The maximum car occupancy (parking demand) during the day is 1,021 spaces with an85 th percentile demand of 869 spaces in Stage 1. The respective numbers in Stage 2 are 1,070 and 890. Theseare substantially greater than the demand for activities on any other day of the week or season.Table 5Forecast Trip Generation (Summary)DayDailyTripsto /fromWSPArrival Departure OccupancyMax 15min Max 15min Max85thPercentileFlow Time Flow Time Bays Time BaysMonday 392 54 05:30 05:45 65 09:10 09:25 229 17:55 125Tuesday 424 54 15:30 15:45 65 18:10 18:25 315 17:55 202Wednesday 1,136 132 17:20 17:35 159 21:55 22:10 560 18:50 372Thursday 368 54 17:30 17:45 65 22:10 22:25 258 17:55 203Friday 224 54 15:30 15:45 65 18:10 18:25 226 17:55 117Saturday (Summer) 308 54 08:30 08:45 65 16:10 16:25 271 15:55 248Saturday(Winter)Stage 1 3,604 305 14:00 14:15 337 15:50 16:05 1,021 10:05 869Stage 2 3,665 335 14:00 14:15 337 15:50 16:05 1,070 15:45 890Sunday (Summer) 491 70 08:25 08:40 65 16:10 16:25 252 15:55 203Sunday (Winter) 1,042 148 08:20 08:35 142 11:05 11:20 621 09:45 391The results in Table 5 conservatively assume 100% car usage and 0% linked trips for all events except for PNAevents during Winter Saturdays. For these netball events, 65 to 70 % car usage and 30 to 40 % linked trips wereassumed. These assumptions were tested against existing event schedules and observed traffic data and werefound to produce reasonable results. Car usage and linked trips are discussed further in Section 5.3.It is important to note that the above forecast traffic volumes and subsequent intersection analysis shown inproceeding sections are based on a forecast only and that the day to day variation of traffic can alter somewhatT:\60218676 - Wembley PK TA\8 Issued Docs\8.1 Reports\Comprehensive Integrated Access RevF.docxRevision F - 8 February 2012