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Home My WebLink AboutPOUDRE HIGH SCHOOL EXPANSION SITE PLAN ADVISORY REVIEW - 59 93 - SUBMITTAL DOCUMENTS - ROUND 1 - TRAFFIC STUDYL +- 334 /—56 LAPORTE N 312 -� 22 -� ,_ _ TOTAL VEHICLE TOTAL VEHICLES 85 47 d! 7 cc p J O C1 O < O Z = i I l'9 � R , 1cc 03 cc cc O =O O Z Z = ON Z 0) m TOTAL VEHICLES' TOTAL VEHICLES Be 51 4:30 to 6:00 PM RESULTS OF LICENSE PLATE SURVEY Figure 4 I 257 49 TOTAL VEHICLES lei 269 /- 132 LAPORTE �m n co TOTAL VEHICLES 125 - u MMMARMA T �i�i�i�i�i�i�� ►i�i�i��i�i 04 124 cc • Uj • u u • • I.Ti 12:00 to 1:30 PM RESULTS OF LICENSE PLATE SURVEY Figure 3 I 258 142 TOTAL VEHICLES eon + 121 ir— 288 LAPORTE a to Ln TOTAL VEHICLES TOTAL VEHICLES 228 7:00to8:15AM RESULTS OF LICENSE PLATE SURVEY Figure 2 LAPORTE r----------� i Poudre School i I District Admin. I i Building I L----------i Administration Parking Teacher Parking � N r------ ------- i North Impala i Poudre i Observation Location High School Student Parking L-----------J South Impala Observation Location wl 0 4 J IL MULBERRY STREET POUDRE HIGH SCHOOL AREA I Figure 1 With the proposed change in the PHS parking lot, the base thrus will be denied access to Impala Drive and the school thrus will be required to exit from the route they entered. During each analyzed period, there will be a reduction in traffic at the observation locations on Impala Drive. The range of reduction will be from 10-60 vehicles in aone hour:.-period-e11-i rwill, however, e an increase in traffic on both La Porte Avenue and Mulberry Street. However, the increase i.a_traf.fi.c__,_on _ th_,L_a,_E.orte_and. Mulberry will a about 10_percent_more.than that which currently exits __on:_these._.s.treets. Review of the existing _ traffic volumes _indicates that there is excess capacity at both the La Porte/Taft Hill and Mulberry/Taft Hill intersections. Therefore, the increase in traffic can be accommodated on the arterial street system in the area (La Porte Avenue, Mulberry Street, and Taft Hill Road). Recommendation It is recommended that Poudre School District continue to pursue elimination of Impala Drive as a through street. This will cause a reduction in traffic volumes on Impala Drive.f The south portion of ImQala Drive is a public street. The residents on/near this portion of Impala Drive will likely be receptive to this reduction in traffic even through it will add length to trips that have an origin or destination to the north. The number of vehicles that are added to the arterial street can be accommodated on the area street. system. PHS. These people are using Impala Drive as a public street through school district property. Some of these are school district administration personnel. School thrus - These are the through vehicles that drop off/pick up a student or faculty member at PHS. A typical description of this trip would be a parent going to work in the morning, dropping off a student, and then proceeding through the property to complete the work trip. Total -- These are the sum of the above three components. Figure 1 is a schematic of the PHS area showing the observation locations in relation to the physical features in the area. Along with the license plate survey, turning movement counts were performed at the La Porte/Impala intersection. Figures 2, 3, and 4 show the results of the license plate survey for the respective study times. Referring to Figure 2 (7:00 AM to 8:15 AM survey results), there were 290 southbound and 158 northbound vehicles destined for PHS. This is the start of the school day, so this volume is not surprising. In addition to these destination trips, there are also 27 school thrus southbound and 23 school thrus northbound. At this time of day, there are only 21 base thrus southbound and 17 base thrus northbound. The base thrus comprise only 7 percent of the traffic on Impala Drive. Referring to Figure 3 (12:00 Noon to 1:30 PM survey results), there were 103 southbound and 145 northbound vehicles destined for PHS. Based upon observation, this appeared to be the end of the lunch break for students and generally included much of the traditional lunch period for administration personnel. At this time of day, the school thrus are -very small in both directions. This is expected. The base thrus are relatively high. They comprise over 30 percent of the entering traffic in the southbound direction and almost 20 percent of the entering traffic in the northbound direction. Based upon the observation at the north Impala location, a significant portion of these base thrus are administration personnel going to/returning from lunch. Therefore, these base thrus are largely comprised of the school administration• personnel using Impala Drive as a public street. Referring to Figure 4 (4:30 PM to 6:00 PM survey results), there were 11 southbound and 17 northbound vehicles destined for PHS. These low numbers are not surprising, since the normal school day is over. Of the entering traffic from each direction, there are a significant number of school thrus. These are likely to be parents picking up a student from an after school activity. From a percentage basis, the base thrus are high, however the absolute number of 'vehicles is low. Based upon observation at the north Impala location, a significant portion of the southbound base thrus came from the administration parking lot. 00 MEMORANDUM 00 O o c To: George Brelig, RB+B (Z ry Mike Spearnak, Poudre School District 1 — Rita Davis, Fort Collins Transportation Division v c Fort Collins Planning Staff Z From: Matt Delich W O Date: August 9, 1993 J j Subject: Poudre High School traffic analysis Z (File: 9336MEM1) W Q a Poudre School District is proposing to expand Poudre High ZZ School (PHS). As part of that expansion, it is proposed that m Impala Drive will be closed to through traffic between La Porte Avenue on the north and Mulberry Street on the south. This will be accomplished by providing two parking lots in front of PHS with no connection between them: At the present time, Impala Drive passes in front of PHS through a parking area. Research (by others) indicates that Impala Drive is a private street, owned by Poudre School District, from La Porte Avenue to Impala Circle. While Impala Drive is used primarily for school related trips and school district administration trips (Administration Building is located north of PHS), some of the general public utilize Impala Drive as a.public street. This analysis determines the mix of trip purpose of those vehicles entering the school district property. The analyses determined how z many vehicles will be denied "through" access on Impala Drive. Vehicles currently using Impala Drive for through trip zpurposes will be•required to find an alternative route. CU W Moving vehicle license plate surveys were conducted from a„ 7:00 AM to 8:15 AM, 12:00 Noon to 1:30 PM, and 4:30 PM to 6:00 Z5. PM in late May 1993 and late July 1993. The July data was • �' used to determine the base condition since school was not in C.2 o session. In addition, the moving vehicle license plate survey was conducted from 1:30 PM to 3:00 PM in late May 1993. This W o time period was not surveyed in late July 1993, since it is CL a peak period that relates directly to the school activity . a rather than the normal peak period of the adjacent streets. --a c • The following are definitions of terminology used in this 3 X memorandum: W x LL a f- cc Non-thru -- These are vehicles that have either an origin ~ Q or destination at PHS. Base thrus -- These are the through vehicles that occur in the summer when there were no activities at