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North Gateway-CS090323(9/2/2009) DiWanna Baskins -North gateway Center From: "Don Harrelson" <dharrelson@bhbinc.com> To: <dbaskins@ci.coppell.tx.us> Date: 3/23/2009 4:41 PM Subject: North gateway Center Attachments: Donald Harrelson PE (dharrelson@bhbinc.com).vcf; Traffic Impact.xls Please find the attached Traffic calculations as requested. If you have an questions or comments, please feel free to contact me at your convenience. Thanks, Don Harrelson, PE Project Manager Baird, Hampton & Brown, Inc. Engineering & Surveying 4550 S.H. 360, Suite 180 Grapevine, TX 76051 Ph 817-251-8550 x 111 - Fx 817-251-8810 <mailto:dharrelson@bhbinc.com>lharrelson@bhbinc.com - <http:l/www.bhbinc.coml> www.bhbinc.com Page 1 Delivering Innovative Design Solutions (9/2/2009) DiWanna Baskins - Traffic Impact.xls BHB Engineering and Surveying <date> 920 S Main St. Suite 190 Grapevine, TX 76051 (817)251-8550 Traffic Impact Analysis Gateway Plaza SH-121 & Denton Tap Road, Coppell, TX Site Data Building Type Area (SF) X (SF11000) General Office Buildin 18,550 18.55 Medical-Dental Office Buildin 18,050 18.05 S ecialt Retail Center 4,550 4.55 Hi h-Turnover Sit-Down Restaurant 18,218 18.218 Hi h-Turnover Drive-Throu h Restaurant 5,600 5.6 Average Weekday Trip Generation Land Use ITE Code Equation Rates Entering Exiting Total Use 50% 50% General Office Building 710 LN(T)=0.77LN(X) + 3.65 182 182 226 50% 50% Medical-Dental Office Building 720 T=40.89(X) - 214.97 262 262 523 50% 50% Specialty Retail Center 814 T=42.78(X) + 37.66 116 116 232 50% 50% High-Turnover (Sit-Down) Restaurant g32 * T=127.15(X) 1158 1158 2316 50% 50% Fast-Food Restaurant with Drive-Through Window g34 * T=496.12(X) 1389 1389 2778 Total Trips Generated 3107 3107 6076 * - No Equation Given. Average Rate Used A.M. Peak Hour Land Use ITE Code Equation Rates Entering Exiting Total Use 88% 12% General Office Building 710 LN(T)=0.80LN(X) + 1.55 43 6 49 66% 34% Medical-Dental Office Building 720 T-3.49(X) + 5.25 45 23 68 48% 52% Specialty Retail Center 814 T=4.91(X) + 115.59 66 72 138 52% 48% High-Turnover (Sit-Down) Restaurant g32 * T-13.53(X) 128 118 246 51% 49% Fast-Food Restaurant with Drive-Through Window g34 * T-54.81(X) 157 150 307 Total Trips Generated 439 369 808 Page (9/2/2009) DiWanna Baskins - Traffic Impact.xls BHB Engineering and Surveying 920 S Main St. Suite 190 Grapevine, TX 76051 (817)251-8550 <date> Page 2 * - No Equation Given. Average Rate Used (9/2/2009) DiWanna Baskins - Traffic Impact.xls BHB Engineering and Surveying 920 S Main St. Suite 190 Grapevine, TX 76051 (817)251-8550 P.M. Peak Hour Land Use ITE Code Equation Rates Entering Exiting Total Use 17% 83% General Office Building 710 T=1.21(X) + 78.81 17 84 101 40% 60% Medical-Dental Office Building 720 T-4.43(X) + 0.48 32 48 80 56% 44% Specialty Retail Center 814 * T=5.02(X) 13 10 23 55% 45% High-Turnover (Sit-Down) Restaurant g32 * T-18.8(X) 188 154 342 52% 48% Fast-Food Restaurant with Drive-Through Window g34 * T-46.68(X) 136 125 261 Total Trips Generated 386 422 808 * - No Equation Given. Average Rate Used Driveway Split Used Peak Hour Enterin Peak Hour Exitin Driveway'A' SH-121 45% 197.5 189.9 Driveway'B' Denton Tap Road North 25% 109.7 105.5 Drivewa 'C' Denton Tap Road South 20% 87.8 84.4 Cross-Access Drive'D' 5% 21.9 21.1 Cross-Access Drive'E' 5% 21.9 21.1 Total Trips 100% 438.8 422.0 <date> Page (9/2/2009) DiWanna Baskins - Traffic Impact.xls BHB Engineering and Surveying 920 S Main St. Suite 190 Grapevine, TX 76051 (817)251-8550 Driveway Stacking Depth Peak Hour Vehicles per Driveway Entering Exiting vehlhr vehlmin vehlhr vehlmin Driveway'A' SH-121 197 3.29 190 3.16 Prop. Stacking Depth = (Max. Vehicles / Minute X 20 Feet) = 65.83 Driveway 'B' Denton Tap Road North 110 1.83 105 1.76 Prop. Stacking Depth = (Max. Vehicles / Minute X 20 Feet) = 36.57 Driveway'C' Denton Tap Road South 88 1.46 84 1.41 Prop. Stacking Depth = (Max. Vehicles / Minute X 20 Feet) = 29.26 Cross-Access Drive 'D' 22 0.37 105 1.76 Prop. Stacking Depth = (Max. Vehicles / Minute X 20 Feet) = 35.16 Cross-Access Drive'E' 22 0.37 21 0.35 Prop. Stacking Depth = (Max. Vehicles / Minute X 20 Feet) = 7.31 Right Turn Deceleration Lane Requirements Directional S lit % Peak Hour Entering vehlhr Turn Lane Re uired?** Driveway'A' SH-121 100% 197 Yes Driveway'B' Denton Tap Road North From SB Traffic 50% 55 No Driveway'B' Denton Tap Road North from NB Traffic 50% 55 No Driveway'C' Denton Tap Road North From SB Traffic 50% 44 No Driveway'C' Denton Tap Road North From SB Traffic 50% 44 No <date> Page 4 ** Based on TXDOT Access Management Manual (9/2/2009) DiWanna Baskins - Traffic Impact.xls Land Use ITE Code Equations Directional Split Avera e Weekda LN T =0.77LN X + 3.65 50 l 50 General 710 AM Peak Hour LN T =0.80LN X + 1.55 88 l 12 Office PM Peak Hour T=1.21 X + 78.81 17 l 83 Avera e Weekda T=40.89 X - 214.97 50 l 50 Medical-Dental 720 AM Peak T=3.49 X + 5.25 66 l 34 Office Buildin PM Peak T=4.43 X + 0.48 40 l 60 Avera e Weekda T=42.78 X + 37.66 50 l 50 Specialty Retail 814 AM Peak T=4.91 X + 115.59 48 l 52 Center PM Peak * T=5.02 X 56 l 44 High Turnover Avera e Weekda * T=127.15(X) 50 l 50 (Sit-Down) 932 AM Peak * T=13.53(X) 52 l 48 Restaurant PM Peak * T=18.8 X 55 l 45 Restaurant with Avera a Weekda * T=496.12 X 50 l 50 Drive-Through 934 AM Peak * T=54.81 X 51 l 49 Window PM Peak * T=46.68 X 52 l 48 Page - No Equation Given. Average Rate Used (9/2/2009) DiWanna Baskins - Traffic Impact.xls Square AM Peak Hour PM Peak Hour Land Use Foota a Enterin Existin Total ntering Existing otal General Office 18,550 43 6 49 17 84 101 Medical-Dental Office Buildin 18,050 45 23 68 32 48 80 Specialty Retail Center 4,550 66 72 138 13 10 23 High Turnover (Sit-Down) Restaurant 18,218 128 118 246 188 154 342 Restaurant with Drive-Through Window 5,600 157 150 307 136 125 261 Page (9/2/2009) DiWanna Baskins - Traffic Impact.xls Avera e Weekda nterina Existina Total 182 182 365 262 262 523 116 116 232 1158 1158 2316 Page 7 1389 1389 2778