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Home My WebLink About2020-04-09 ITD tiDAHp Your Safety • Your Mobility IDAHO TRANSPORTATION DEPARTMENT : P.O. Box 8028 • Boise, ID 83707-2028 ya��0 J p�r�g Your Economic Opportunity (208) 334-8300 • itd.idaho.gov Rrar�pN o``Q April 9, 2020 Chris Johnson Meridian City Clerk's Office 33 East Idaho Avenue Meridian, Idaho 83642 VIA EMAIL Development Application H-2020-0024 MDA, CUP, PP, RZ Project Name TANNER CREEK SUBDIVISION Project Location 675 West Waltman Lane, north of I-84 milepost 43.65 • Modify existing Development Agreement which allows commercial/office/hotel uses for he purpose of replacing the agreement with a new agreement allowing a mix of single family and multi-family residential uses • Rezone of a total of 38.47 acres of land from the C-G to the R-8, R-15, and R-40 • Construct a subdivision consisting of 400 total residential units Project • Conditional use permit for the multi-family development consisting of 272 Description residential units in the R-40 zoning district Applicant Schultz Development The Idaho Transportation Department(ITD)reviewed the referenced development agreement modification, conditional use permit, preliminary plat, and rezone applications and has the following comments: 1. This project abuts the State Highway system. 2. I-84 is a full access controlled highway.No direct access to the State highway system is requested with this application and none is approved. 3. The interstate fence is typically constructed one foot within ITD Right Of Way,but may vary due to terrain and other possible issues. All measurements relative to ITD Right of Way shall be taken from the Right of Way monuments, not from the fence. Applicant must apply for and receive an approved Right-of-Way use permit prior to doing any work or activity within the highway Right-of-Way. The applicant may contact Shona Tonkin at(208) 334-8341 for this permit. tiDAHp Your Safety • Your Mobility IDAHO TRANSPORTATION DEPARTMENT : P.O. Box 8028 • Boise, ID 83707-2028 ya��0 J p�r�g Your Economic Opportunity (208) 334-8300 • itd.idaho.gov RTAr+pN o``Q 4. Noise walls will not be constructed by ITD in the I-84 Corridor in this area. Any noise walls necessary for this development shall be constructed by the developer on private property. 5. ITD will not be requesting a revised Traffic Impact Study for Tanner Creek Subdivision. Mitigation for this development will be covered by contributing to the construction of an auxiliary lane eastbound and westbound between the Meridian Interchange and Eagle Road Interchange that will reduce congestion of the I-84 corridor. 6. The estimated cost for these improvements is $14,785,782. Trip distribution from the traffic analysis provided was used to determine 16,169 trips are added to the Meridian and Eagle Interchanges at buildout which is approximately 0.98% of interchange traffic served by the current interchange design. Traffic analysis provided by the applicant calculated the proportionate share for the construction of auxiliary lanes as $144,901. The applicant's consultant has written up an explanation of the proportionate share (see attached). 7. Idaho Code 40-1910 does not allow advertising within the right-of-way of any State Highway. 8. The Idaho Administrative Procedures Act(IDAPA) 39.03.60 governs advertising along the State Highway system. The applicant may contact Justin Pond, Program Manager for ITD's Headquarters Right-of-Way Section at(208) 334-8832 for more information. 9. ITD has concerns about traffic impacts to the State Highway system from this proposed development as noted in items 5 and 6. 10. Provided the development contribute the calculated proportionate share of$144,901 for interstate improvements prior to occupancy, ITD has no objection to the proposed application. If you have any questions, you may contact me at(208) 334-8338 or Erika Bowen (208) 265-4312 ext 7. Sincerely, Sarah Arjona Development Services Coordinator Sarah.Arjona@itd.idaho.gov ENGINIRING, INC. 181 East 50t" Street Garden City, ID 83714 (208) 841-4996 MEMORANDUM DATE: March 25,2020 TO: Erika Bowen,P.E. Idaho Transportation Department cDl1 T CC: Mark Schultz ` Schultz Development FROM: Chhang Ream,P.E.,PTOE 3/.25/a20 CR Engineering, Inc. G R PROJECT: Tanner Creek Subdivision Meridian,Idaho SUBJECT: Proportionate Share Calculation—Meridian Road IC to Eagle Road IC Auxiliary Lanes This memorandum summarizes the proportionate share calculation for Tanner Creek Subdivision on the I-84 auxiliary lane improvements between Meridian Road interchange(IC)and Eagle Road IC. Table 1 summarizes the traffic data and proportionate share calculation. Based on the 2025 build-out year total traffic volumes, the proportionate share of Tanner Creek Subdivision is $144,901. Table 1—Proportionate Share Calculation Summary 2018 2025 2025 2025 Existing Traffic Back round Traffic Site Traffic Total Traffic Ramp AM PM AM PM AM PM AM PM Meridian IC WB Off-Ramp 960 1,901 1,065 2,110 15 50 1,080 2,160 Meridian IC EB On-Ramp 965 580 1,071 644 46 32 1,117 676 Eagle IC WB On-Ramp 6,244 1,484 6,930 1,647 2 5 6,932 1,652 Eagle IC EB Off-Ramp 1,250 1,042 1,387 1,156 5 3 1,392 1,159 Total 14,426 16,011 158 16,169 Average%Site Traffic 0.98% ITD Improvement Costs Estimate $14,785,782 Tanner Creek Subdivision Proportionate Share $144,901 The following sections discuss the proposed development and traffic data. S:Iprojects120-21 Tanner Creek Subdivision WoclTanner Creek Proportionate Share.docx Page 1 of 4 CR ENGIIVERING,INC. Proposed Development & Site Traffic Tanner Creek Subdivision is an approved residential development located on Waltman Lane in the northwest corner of the Meridian Road interchange in Meridian, Idaho. A traffic impact study was completed for the project on November 8, 2017. Figure 1 shows the current development site plan. The current site plan contains 128 single- family units and 272 apartment units with an expected 2025 build-out year. The development will have access to the transportation system via a connection to Ruddy Drive at the western site boundary,a connection to Corporate Drive to the north, and via Waltman Lane to the east. Figure 1—Site Plan Waltman Ln _ i � .. N TS d.RROViNTRO07 DR [II.HHC:SF"fI..A .e� r - T ... • 4 'YI.PIC-•iY 0R N"E ''xsK..xi 1 i --R�lg 10'PE VESiRIL,N 6RIDGE I r r - h111'�I -- V' --- PL C.R]lJNOA4 EA I _ I } a JAiI:SE•v fiN:V[ � Ei.STING&5 S'N H RM AN f,'"MALL 1-84 EB S:Iprojects120-21 Tanner Creek Subdivision WoclTanner Creek Proportionate Share.docx Page 2 of 4 �NGINE�RING,INC. Table 2 summarizes the build-out site trip generation based on the 10'Edition of the ITE Trip Generation Manual and proposed land uses. Tanner Creek Subdivision is estimated to generate 2,786 trips per day, 187 AM peak hour trips, and 245 PM peak hour trips. Site traffic was distributed and assigned to the transportation system similar to the original study. The Linder Road overpass is not expected to be constructed by the build-out year of this development and was not considered in the site traffic distribution patterns.Approximately 10%of the site traffic expected to have origins/destinations west of the site and use the Ruddy Drive connection. Approximately 18% of the site traffic is expected to travel on the Corporate Drive connection to the north,and approximately 72%of the site traffic is expected to travel through the Waltman Lane and Meridian Road intersection.Approximately 53%of the site traffic is expected to travel through the Meridian Road interchange.Figure 2 summarizes the estimated site distribution patterns and peak hour volumes at the Waltman Lane and Meridian Road intersection and Meridian Road interchange. Table 2—Build-Out Trip Generation Summary ITE Total Primary Trips Land Use Code Size Unit Trips Entering Exiting Weekday Daily(vpd) Single-Family Detached Housing 210 128 DU 1,305 50% 652 50% 653 Multifamily Housing (Mid-Rise) 221 272 DU 1,481 50% 741 50% 740 Weekday Daily Total Trips 2,786 1,393 1,393 Weekday AM Peak Hour(vph) Single-Family Detached Housing 210 128 DU 96 25% 24 75% 72 Multifamily Housing (Mid-Rise) 221 272 DU 91 26% 23 74% 68 Weekday AM Peak Hour Total Trips 187 47 140 Weekday PM Peak Hour(vph) Single-Family Detached Housing 210 128 DU 129 63% 81 37% 48 Multifamily Housing(Mid-Rise) 221 272 DU 116 61% 71 39% 45 Weekday PM Peak Hour Total Trips 245 152 93 2025 Build-Out Year Traffic & Improvements Costs No new traffic counts were collected for this analysis. 2018 existing counts at the Meridian Road and Eagle Road interchanges were provided by ITD. The cost estimate for the 1-84 auxiliary lane improvements was also provided by ITD. To obtain 2025 background traffic,the existing counts were extrapolated with a 1.5% annual growth rate. This growth rate is consistent with the COMPASS forecasts. S:Iprojects120-21 Tanner Creek Subdivision ldoclTanner Creek Proportionate Share.docx Page 3 of 4 "NGINRING,INC. Figure 1—Estimated Site Traffic Distribution Patterns & Peak Hour Site Traffic ° fI+ Corporate or I 10. % NTS Waltma Ln 72% , ',:J,. �,:'. 531 if r'`LLLA�0.IJL �� a % , X. o _ Jt _ R 1 Waltman Lane&Meridian Road 2 Meridian Rd Interchange 5 0 0 14 14 46 14J � 0 5J � 15 13 4 0-11. 0 74� � 0 0� � 0 1 t 25 0 0 AM 1 0 5 0 AM 1 Waltman Lane&Meridian Road 2 Meridian Rd Interchange 15 0 0 9 9 32 9 0 15J � 50 8 — 14 0---b- 0 50 � r0 0� � 0 t t 80 0 0 PM 1 0 15 0 PM S:Iprojects120-21 Tanner Creek Subdivision WoclTanner Creek Proportionate Share.docx Page 4 of 4