Supporting Documentation · May 6, 2026
Traffic Impact Statement Dated 10 14 25
9055bef79f64dd1eb78d9cde5eaa5a8710b24390525315ce326ea52e29c9adaaIndexed text
- - D A A HCM 95th %tile Q(veh) - - 2.7 0 - Existing.syn Synchro 11 Light Report D&D Page 2
Proposed Supermarket Existing 1: Main Street & Prospect Place PM Movement EBL EBR NBL NBT SBT SBR Lane Configurations Traffic Volume (veh/h) 0 0 49 522 514 35 Future Volume (Veh/h) 0 0 49 522 514 35 Sign Control Stop Free Free Grade 0% 0% 0% Peak Hour Factor 0.98 0.98 0.98 0.98 0.98 0.98 Hourly flow rate (vph) 0 0 50 533 524 36 Pedestrians Lane Width (ft) Walking Speed (ft/s) Percent Blockage Right turn flare (veh) Median type None None Median storage veh) Upstream signal (ft) pX, platoon unblocked vC, conflicting volume 1175 542 560 vC1, stage 1 conf vol vC2, stage 2 conf vol vCu, unblocked vol 1175 542 560 tC, single (s) 6.4 6.2 4.1 tC, 2 stage (s) tF (s) 3.5 3.3 2.2 p0 queue free % 100 100 95 cM capacity (veh/h) 201 540 1011 Direction, Lane # NB 1 SB 1 Volume Total 583 560 Volume Left 50 0 Volume Right 0 36 cSH 1011 1700 Volume to Capacity 0.05 0.33 Queue Length 95th (ft) 4 0 Control Delay (s) 1.3 0.0 Lane LOS A Approach Delay (s) 1.3 0.0 Approach LOS Intersection Summary Average Delay 0.7 Intersection Capacity Utilization 66.0% ICU Level of Service C Analysis Period (min) 15 Existing.syn Synchro 11 Light Report D&D Page 1
Proposed Supermarket Existing 2: Main Street & Erwin Place PM Intersection Int Delay, s/veh 0.3 Movement EBL EBR NBL NBT SBT SBR Lane Configurations Traffic Vol, veh/h 7 6 12 634 576 4 Future Vol, veh/h 7 6 12 634 576 4 Conflicting Peds, #/hr 0 0 0 0 0 0 Sign Control Stop Stop Free Free Free Free RT Channelized - None - None - None Storage Length 0 - - - - - Veh in Median Storage, # 0 - - 0 0 - Grade, % 0 - - 0 0 - Peak Hour Factor 98 98 98 98 98 98 Heavy Vehicles, % 2 2 2 2 4 2 Mvmt Flow 7 6 12 647 588 4 Major/Minor Minor2 Major1 Major2 Conflicting Flow All 1261 590 592 0 - 0 Stage 1 590 - - - - - Stage 2 671 - - - - - Critical Hdwy 6.42 6.22 4.12 - - - Critical Hdwy Stg 1 5.42 - - - - - Critical Hdwy Stg 2 5.42 - - - - - Follow-up Hdwy 3.518 3.318 2.218 - - - Pot Cap-1 Maneuver 188 508 984 - - - Stage 1 554 - - - - - Stage 2 508 - - - - - Platoon blocked, % - - - Mov Cap-1 Maneuver 184 508 984 - - - Mov Cap-2 Maneuver 184 - - - - - Stage 1 543 - - - - - Stage 2 508 - - - - - Approach EB NB SB HCM Control Delay, s 19.5 0.2 0 HCM LOS C Minor Lane/Major Mvmt NBL NBT EBLn1 SBT SBR Capacity (veh/h) 984 - 261 - - HCM Lane V/C Ratio 0.012 - 0.051 - - HCM Control Delay (s) 8.7 0 19.5 - - HCM Lane LOS A A C - - HCM 95th %tile Q(veh) 0 - 0.2 - - Existing.syn
0 19.5 - - HCM Lane LOS A A C - - HCM 95th %tile Q(veh) 0 - 0.2 - - Existing.syn Synchro 11 Light Report D&D Page 1
Proposed Supermarket Existing 3: Main Street & Kling Street PM Intersection Int Delay, s/veh 2.5 Movement WBL WBR NBT NBR SBL SBT Lane Configurations Traffic Vol, veh/h 79 25 546 95 13 501 Future Vol, veh/h 79 25 546 95 13 501 Conflicting Peds, #/hr 0 0 0 0 0 0 Sign Control Stop Stop Free Free Free Free RT Channelized - None - None - None Storage Length 0 - - - - - Veh in Median Storage, # 0 - 0 - - 0 Grade, % 0 - 0 - - 0 Peak Hour Factor 99 99 99 99 99 99 Heavy Vehicles, % 5 2 2 2 2 3 Mvmt Flow 80 25 552 96 13 506 Major/Minor Minor1 Major1 Major2 Conflicting Flow All 1132 600 0 0 648 0 Stage 1 600 - - - - - Stage 2 532 - - - - - Critical Hdwy 6.45 6.22 - - 4.12 - Critical Hdwy Stg 1 5.45 - - - - - Critical Hdwy Stg 2 5.45 - - - - - Follow-up Hdwy 3.545 3.318 - - 2.218 - Pot Cap-1 Maneuver 222 501 - - 938 - Stage 1 542 - - - - - Stage 2 583 - - - - - Platoon blocked, % - - - Mov Cap-1 Maneuver 218 501 - - 938 - Mov Cap-2 Maneuver 218 - - - - - Stage 1 542 - - - - - Stage 2 572 - - - - - Approach WB NB SB HCM Control Delay, s 29.1 0 0.2 HCM LOS D Minor Lane/Major Mvmt NBT NBRWBLn1 SBL SBT Capacity (veh/h) - - 252 938 - HCM Lane V/C Ratio - - 0.417 0.014 - HCM Control Delay (s) - - 29.1 8.9 0 HCM Lane LOS - - D A A HCM 95th %tile Q(veh) - - 1.9 0 - Existing.syn Synchro 11 Light Report D&D
- - D A A HCM 95th %tile Q(veh) - - 1.9 0 - Existing.syn Synchro 11 Light Report D&D Page 2
Proposed Supermarket Existing 1: Main Street & Prospect Place SAT Movement EBL EBR NBL NBT SBT SBR Lane Configurations Traffic Volume (veh/h) 0 0 34 426 536 12 Future Volume (Veh/h) 0 0 34 426 536 12 Sign Control Stop Free Free Grade 0% 0% 0% Peak Hour Factor 0.93 0.93 0.93 0.93 0.93 0.93 Hourly flow rate (vph) 0 0 37 458 576 13 Pedestrians Lane Width (ft) Walking Speed (ft/s) Percent Blockage Right turn flare (veh) Median type None None Median storage veh) Upstream signal (ft) pX, platoon unblocked vC, conflicting volume 1114 582 589 vC1, stage 1 conf vol vC2, stage 2 conf vol vCu, unblocked vol 1114 582 589 tC, single (s) 6.4 6.2 4.1 tC, 2 stage (s) tF (s) 3.5 3.3 2.2 p0 queue free % 100 100 96 cM capacity (veh/h) 222 513 986 Direction, Lane # NB 1 SB 1 Volume Total 495 589 Volume Left 37 0 Volume Right 0 13 cSH 986 1700 Volume to Capacity 0.04 0.35 Queue Length 95th (ft) 3 0 Control Delay (s) 1.1 0.0 Lane LOS A Approach Delay (s) 1.1 0.0 Approach LOS Intersection Summary Average Delay 0.5 Intersection Capacity Utilization 53.8% ICU Level of Service A Analysis Period (min) 15 Existing.syn Synchro 11 Light Report D&D Page 1
Proposed Supermarket Existing 2: Main Street & Erwin Place SAT Intersection Int Delay, s/veh 0.2 Movement EBL EBR NBL NBT SBT SBR Lane Configurations Traffic Vol, veh/h 5 8 7 507 596 1 Future Vol, veh/h 5 8 7 507 596 1 Conflicting Peds, #/hr 0 0 0 0 0 0 Sign Control Stop Stop Free Free Free Free RT Channelized - None - None - None Storage Length 0 - - - - - Veh in Median Storage, # 0 - - 0 0 - Grade, % 0 - - 0 0 - Peak Hour Factor 94 94 94 94 94 94 Heavy Vehicles, % 2 2 2 2 2 2 Mvmt Flow 5 9 7 539 634 1 Major/Minor Minor2 Major1 Major2 Conflicting Flow All 1188 635 635 0 - 0 Stage 1 635 - - - - - Stage 2 553 - - - - - Critical Hdwy 6.42 6.22 4.12 - - - Critical Hdwy Stg 1 5.42 - - - - - Critical Hdwy Stg 2 5.42 - - - - - Follow-up Hdwy 3.518 3.318 2.218 - - - Pot Cap-1 Maneuver 208 478 948 - - - Stage 1 528 - - - - - Stage 2 576 - - - - - Platoon blocked, % - - - Mov Cap-1 Maneuver 206 478 948 - - - Mov Cap-2 Maneuver 206 - - - - - Stage 1 522 - - - - - Stage 2 576 - - - - - Approach EB NB SB HCM Control Delay, s 16.9 0.1 0 HCM LOS C Minor Lane/Major Mvmt NBL NBT EBLn1 SBT SBR Capacity (veh/h) 948 - 317 - - HCM Lane V/C Ratio 0.008 - 0.044 - - HCM Control Delay (s) 8.8 0 16.9 - - HCM Lane LOS A A C - - HCM 95th %tile Q(veh) 0 - 0.1 - - Existing.syn
0 16.9 - - HCM Lane LOS A A C - - HCM 95th %tile Q(veh) 0 - 0.1 - - Existing.syn Synchro 11 Light Report D&D Page 1
Proposed Supermarket Existing 3: Main Street & Kling Street SAT Intersection Int Delay, s/veh 1.9 Movement WBL WBR NBT NBR SBL SBT Lane Configurations Traffic Vol, veh/h 68 19 441 71 7 529 Future Vol, veh/h 68 19 441 71 7 529 Conflicting Peds, #/hr 0 0 0 0 0 0 Sign Control Stop Stop Free Free Free Free RT Channelized - None - None - None Storage Length 0 - - - - - Veh in Median Storage, # 0 - 0 - - 0 Grade, % 0 - 0 - - 0 Peak Hour Factor 95 95 95 95 95 95 Heavy Vehicles, % 2 2 2 2 2 2 Mvmt Flow 72 20 464 75 7 557 Major/Minor Minor1 Major1 Major2 Conflicting Flow All 1073 502 0 0 539 0 Stage 1 502 - - - - - Stage 2 571 - - - - - Critical Hdwy 6.42 6.22 - - 4.12 - Critical Hdwy Stg 1 5.42 - - - - - Critical Hdwy Stg 2 5.42 - - - - - Follow-up Hdwy 3.518 3.318 - - 2.218 - Pot Cap-1 Maneuver 244 569 - - 1029 - Stage 1 608 - - - - - Stage 2 565 - - - - - Platoon blocked, % - - - Mov Cap-1 Maneuver 242 569 - - 1029 - Mov Cap-2 Maneuver 242 - - - - - Stage 1 608 - - - - - Stage 2 559 - - - - - Approach WB NB SB HCM Control Delay, s 24.3 0 0.1 HCM LOS C Minor Lane/Major Mvmt NBT NBRWBLn1 SBL SBT Capacity (veh/h) - - 277 1029 - HCM Lane V/C Ratio - - 0.331 0.007 - HCM Control Delay (s) - - 24.3 8.5 0 HCM Lane LOS - - C A A HCM 95th %tile Q(veh) - - 1.4 0 - Existing.syn Synchro 11 Light Report D&D
File revisions (1)
- Sep 29, 2026
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