Appendix
Appendix C - Synchro - HCM 6th Edition Capacity Analysis Reports
December 12, 2023Pages 267–2726 sections
Technical capacity analysis reports evaluating intersection delay and level of service for existing and post-development traffic conditions.
Software utilized: Synchro 10Methodology: HCM 6th EditionIntersections analyzed: Helmcken Rd & Eltham Rd and Eltham Rd & Access A1
HCM 6th TWSC
1: Helmcken Rd & Eltham Rd
15-Unit Townhouse Development, View Royal
Timing Plan: EX2022-AM
| Intersection | |
|---|---|
| Int Delay, s/veh | 0.5 |
| Movement | WBL | WBR | NBT | NBR | SBL | SBT |
|---|---|---|---|---|---|---|
| Lane Configurations | ||||||
| Traffic Vol, veh/h | 7 | 15 | 239 | 10 | 4 | 313 |
| Future Vol, veh/h | 7 | 15 | 239 | 10 | 4 | 313 |
| Conflicting Peds, #/hr | 9 | 13 | 0 | 9 | 9 | 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 | 92 | 92 | 92 | 92 | 92 | 92 |
| Heavy Vehicles, % | 5 | 5 | 4 | 4 | 2 | 2 |
| Mvmt Flow | 8 | 16 | 260 | 11 | 4 | 340 |
| Major/Minor | Minor1 | Major1 | Major2 | |||
|---|---|---|---|---|---|---|
| Conflicting Flow All | 632 | 288 | 0 | 0 | 280 | 0 |
| Stage 1 | 275 | - | - | - | - | - |
| Stage 2 | 357 | - | - | - | - | - |
| Critical Hdwy | 6.45 | 6.25 | - | - | 4.12 | - |
| Critical Hdwy Stg 1 | 5.45 | - | - | - | - | - |
| Critical Hdwy Stg 2 | 5.45 | - | - | - | - | - |
| Follow-up Hdwy | 3.545 | 3.345 | - | - | 2.218 | - |
| Pot Cap-1 Maneuver | 440 | 744 | - | - | 1283 | - |
| Stage 1 | 764 | - | - | - | - | - |
| Stage 2 | 702 | - | - | - | - | - |
| Platoon blocked, % | - | - | - | |||
| Mov Cap-1 Maneuver | 431 | 730 | - | - | 1273 | - |
| Mov Cap-2 Maneuver | 431 | - | - | - | - | - |
| Stage 1 | 758 | - | - | - | - | - |
| Stage 2 | 694 | - | - | - | - | - |
| Approach | WB | NB | SB |
|---|---|---|---|
| HCM Control Delay, s | 11.3 | 0 | 0.1 |
| HCM LOS | B |
| Minor Lane/Major Mvmt | NBT | NBR | WBLn1 | SBL | SBT |
|---|---|---|---|---|---|
| Capacity (veh/h) | - | - | 598 | 1273 | - |
| HCM Lane V/C Ratio | - | - | 0.04 | 0.003 | - |
| HCM Control Delay (s) | - | - | 11.3 | 7.8 | 0 |
| HCM Lane LOS | - | - | B | A | A |
| HCM 95th %tile Q(veh) | - | - | 0.1 | 0 | - |
Existing 2022 AM Peak Hour
Addoz Engineering Inc.
12-26-2022
Page 267–272
HCM 6th TWSC
1: Helmcken Rd & Eltham Rd
15-Unit Townhouse Development, View Royal
Timing Plan: EX2022-PM
| Intersection | |
|---|---|
| Int Delay, s/veh | 0.7 |
| Movement | WBL | WBR | NBT | NBR | SBL | SBT |
|---|---|---|---|---|---|---|
| Lane Configurations | ||||||
| Traffic Vol, veh/h | 8 | 16 | 244 | 13 | 14 | 225 |
| Future Vol, veh/h | 8 | 16 | 244 | 13 | 14 | 225 |
| Conflicting Peds, #/hr | 16 | 16 | 0 | 16 | 16 | 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 | 3 | 3 | 3 | 3 |
| Mvmt Flow | 9 | 17 | 260 | 14 | 15 | 239 |
| Major/Minor | Minor1 | Major1 | Major2 | |||
|---|---|---|---|---|---|---|
| Conflicting Flow All | 568 | 299 | 0 | 0 | 290 | 0 |
| Stage 1 | 283 | - | - | - | - | - |
| Stage 2 | 285 | - | - | - | - | - |
| Critical Hdwy | 6.42 | 6.22 | - | - | 4.13 | - |
| Critical Hdwy Stg 1 | 5.42 | - | - | - | - | - |
| Critical Hdwy Stg 2 | 5.42 | - | - | - | - | - |
| Follow-up Hdwy | 3.518 | 3.318 | - | - | 2.227 | - |
| Pot Cap-1 Maneuver | 484 | 741 | - | - | 1266 | - |
| Stage 1 | 765 | - | - | - | - | - |
| Stage 2 | 763 | - | - | - | - | - |
| Platoon blocked, % | - | - | - | |||
| Mov Cap-1 Maneuver | 464 | 721 | - | - | 1249 | - |
| Mov Cap-2 Maneuver | 464 | - | - | - | - | - |
| Stage 1 | 754 | - | - | - | - | - |
| Stage 2 | 742 | - | - | - | - | - |
| Approach | WB | NB | SB |
|---|---|---|---|
| HCM Control Delay, s | 11.2 | 0 | 0.5 |
| HCM LOS | B |
| Minor Lane/Major Mvmt | NBT | NBR | WBLn1 | SBL | SBT |
|---|---|---|---|---|---|
| Capacity (veh/h) | - | - | 609 | 1249 | - |
| HCM Lane V/C Ratio | - | - | 0.042 | 0.012 | - |
| HCM Control Delay (s) | - | - | 11.2 | 7.9 | 0 |
| HCM Lane LOS | - | - | B | A | A |
| HCM 95th %tile Q(veh) | - | - | 0.1 | 0 | - |
Existing 2022 PM Peak Hour
Addoz Engineering Inc.
12-26-2022
Page 267–272
HCM 6th TWSC
1: Helmcken Rd & Eltham Rd
20-Unit Townhouse Development, View Royal_Updated
Timing Plan: PD-Opening-AM
| Intersection | |
|---|---|
| Int Delay, s/veh | 0.6 |
| Movement | WBL | WBR | NBT | NBR | SBL | SBT |
|---|---|---|---|---|---|---|
| Lane Configurations | ||||||
| Traffic Vol, veh/h | 11 | 18 | 239 | 12 | 5 | 313 |
| Future Vol, veh/h | 11 | 18 | 239 | 12 | 5 | 313 |
| Conflicting Peds, #/hr | 9 | 13 | 0 | 9 | 9 | 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 | 92 | 92 | 92 | 92 | 92 | 92 |
| Heavy Vehicles, % | 5 | 5 | 4 | 4 | 2 | 2 |
| Mvmt Flow | 12 | 20 | 260 | 13 | 5 | 340 |
| Major/Minor | Minor1 | Major1 | Major2 | |||
|---|---|---|---|---|---|---|
| Conflicting Flow All | 635 | 289 | 0 | 0 | 282 | 0 |
| Stage 1 | 276 | - | - | - | - | - |
| Stage 2 | 359 | - | - | - | - | - |
| Critical Hdwy | 6.45 | 6.25 | - | - | 4.12 | - |
| Critical Hdwy Stg 1 | 5.45 | - | - | - | - | - |
| Critical Hdwy Stg 2 | 5.45 | - | - | - | - | - |
| Follow-up Hdwy | 3.545 | 3.345 | - | - | 2.218 | - |
| Pot Cap-1 Maneuver | 438 | 743 | - | - | 1280 | - |
| Stage 1 | 764 | - | - | - | - | - |
| Stage 2 | 700 | - | - | - | - | - |
| Platoon blocked, % | - | - | - | |||
| Mov Cap-1 Maneuver | 429 | 729 | - | - | 1270 | - |
| Mov Cap-2 Maneuver | 429 | - | - | - | - | - |
| Stage 1 | 758 | - | - | - | - | - |
| Stage 2 | 691 | - | - | - | - | - |
| Approach | WB | NB | SB |
|---|---|---|---|
| HCM Control Delay, s | 11.6 | 0 | 0.1 |
| HCM LOS | B |
| Minor Lane/Major Mvmt | NBT | NBR | WBLn1 | SBL | SBT |
|---|---|---|---|---|---|
| Capacity (veh/h) | - | - | 576 | 1270 | - |
| HCM Lane V/C Ratio | - | - | 0.055 | 0.004 | - |
| HCM Control Delay (s) | - | - | 11.6 | 7.8 | 0 |
| HCM Lane LOS | - | - | B | A | A |
| HCM 95th %tile Q(veh) | - | - | 0.2 | 0 | - |
Post Development AM Peak Hour, Updated
Addoz Engineering Inc.
08-22-2023
Page 267–272
HCM 6th TWSC
2: Eltham Rd & Access A1
20-Unit Townhouse Development, View Royal_Updated
Timing Plan: PD-Opening-AM
| Intersection | |
|---|---|
| Int Delay, s/veh | 1.8 |
| Movement | EBL | EBT | WBT | WBR | SBL | SBR |
|---|---|---|---|---|---|---|
| Lane Configurations | ||||||
| Traffic Vol, veh/h | 3 | 14 | 22 | 0 | 0 | 7 |
| Future Vol, veh/h | 3 | 14 | 22 | 0 | 0 | 7 |
| Conflicting Peds, #/hr | 0 | 0 | 0 | 0 | 0 | 0 |
| Sign Control | Free | Free | Free | Free | Stop | Stop |
| RT Channelized | - | None | - | None | - | None |
| Storage Length | - | - | - | - | 0 | - |
| Veh in Median Storage, # | - | 0 | 0 | - | 0 | - |
| Grade, % | - | 0 | 0 | - | 0 | - |
| Peak Hour Factor | 92 | 92 | 92 | 92 | 92 | 92 |
| Heavy Vehicles, % | 2 | 2 | 2 | 2 | 2 | 2 |
| Mvmt Flow | 3 | 15 | 24 | 0 | 0 | 8 |
| Major/Minor | Major1 | Major2 | Minor2 | |||
|---|---|---|---|---|---|---|
| Conflicting Flow All | 24 | 0 | - | 0 | 45 | 24 |
| Stage 1 | - | - | - | - | 24 | - |
| Stage 2 | - | - | - | - | 21 | - |
| Critical Hdwy | 4.12 | - | - | - | 6.42 | 6.22 |
| Critical Hdwy Stg 1 | - | - | - | - | 5.42 | - |
| Critical Hdwy Stg 2 | - | - | - | - | 5.42 | - |
| Follow-up Hdwy | 2.218 | - | - | - | 3.518 | 3.318 |
| Pot Cap-1 Maneuver | 1591 | - | - | - | 965 | 1052 |
| Stage 1 | - | - | - | - | 999 | - |
| Stage 2 | - | - | - | - | 1002 | - |
| Platoon blocked, % | - | - | - | |||
| Mov Cap-1 Maneuver | 1591 | - | - | - | 963 | 1052 |
| Mov Cap-2 Maneuver | - | - | - | - | 963 | - |
| Stage 1 | - | - | - | - | 997 | - |
| Stage 2 | - | - | - | - | 1002 | - |
| Approach | EB | WB | SB |
|---|---|---|---|
| HCM Control Delay, s | 1.3 | 0 | 8.4 |
| HCM LOS | A |
| Minor Lane/Major Mvmt | EBL | EBT | WBT | WBR | SBLn1 |
|---|---|---|---|---|---|
| Capacity (veh/h) | 1591 | - | - | - | 1052 |
| HCM Lane V/C Ratio | 0.002 | - | - | - | 0.007 |
| HCM Control Delay (s) | 7.3 | 0 | - | - | 8.4 |
| HCM Lane LOS | A | A | - | - | A |
| HCM 95th %tile Q(veh) | 0 | - | - | - | 0 |
Post Development AM Peak Hour, Updated
Addoz Engineering Inc.
08-22-2023
Page 267–272
HCM 6th TWSC
1: Helmcken Rd & Eltham Rd
20-Unit Townhouse Development, View Royal_Updated
Timing Plan: PD-Opening-PM
| Intersection | |
|---|---|
| Int Delay, s/veh | 0.9 |
| Movement | WBL | WBR | NBT | NBR | SBL | SBT |
|---|---|---|---|---|---|---|
| Lane Configurations | ||||||
| Traffic Vol, veh/h | 11 | 18 | 244 | 16 | 17 | 225 |
| Future Vol, veh/h | 11 | 18 | 244 | 16 | 17 | 225 |
| Conflicting Peds, #/hr | 16 | 16 | 0 | 16 | 16 | 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 | 3 | 3 | 3 | 3 |
| Mvmt Flow | 12 | 19 | 260 | 17 | 18 | 239 |
| Major/Minor | Minor1 | Major1 | Major2 | |||
|---|---|---|---|---|---|---|
| Conflicting Flow All | 576 | 301 | 0 | 0 | 293 | 0 |
| Stage 1 | 285 | - | - | - | - | - |
| Stage 2 | 291 | - | - | - | - | - |
| Critical Hdwy | 6.42 | 6.22 | - | - | 4.13 | - |
| Critical Hdwy Stg 1 | 5.42 | - | - | - | - | - |
| Critical Hdwy Stg 2 | 5.42 | - | - | - | - | - |
| Follow-up Hdwy | 3.518 | 3.318 | - | - | 2.227 | - |
| Pot Cap-1 Maneuver | 479 | 739 | - | - | 1263 | - |
| Stage 1 | 763 | - | - | - | - | - |
| Stage 2 | 759 | - | - | - | - | - |
| Platoon blocked, % | - | - | - | |||
| Mov Cap-1 Maneuver | 458 | 719 | - | - | 1246 | - |
| Mov Cap-2 Maneuver | 458 | - | - | - | - | - |
| Stage 1 | 752 | - | - | - | - | - |
| Stage 2 | 736 | - | - | - | - | - |
| Approach | WB | NB | SB |
|---|---|---|---|
| HCM Control Delay, s | 11.4 | 0 | 0.6 |
| HCM LOS | B |
| Minor Lane/Major Mvmt | NBT | NBR | WBLn1 | SBL | SBT |
|---|---|---|---|---|---|
| Capacity (veh/h) | - | - | 591 | 1246 | - |
| HCM Lane V/C Ratio | - | - | 0.052 | 0.015 | - |
| HCM Control Delay (s) | - | - | 11.4 | 7.9 | 0 |
| HCM Lane LOS | - | - | B | A | A |
| HCM 95th %tile Q(veh) | - | - | 0.2 | 0 | - |
Post Development PM Peak Hour, Updated
Addoz Engineering Inc.
08-22-2023
Page 267–272
HCM 6th TWSC
2: Eltham Rd & Access A1
20-Unit Townhouse Development, View Royal_Updated
Timing Plan: PD-Opening-PM
| Intersection | |
|---|---|
| Int Delay, s/veh | 1.4 |
| Movement | EBL | EBT | WBT | WBR | SBL | SBR |
|---|---|---|---|---|---|---|
| Lane Configurations | ||||||
| Traffic Vol, veh/h | 6 | 27 | 24 | 1 | 0 | 5 |
| Future Vol, veh/h | 6 | 27 | 24 | 1 | 0 | 5 |
| Conflicting Peds, #/hr | 0 | 0 | 0 | 0 | 0 | 0 |
| Sign Control | Free | Free | Free | Free | Stop | Stop |
| RT Channelized | - | None | - | None | - | None |
| Storage Length | - | - | - | - | 0 | - |
| Veh in Median Storage, # | - | 0 | 0 | - | 0 | - |
| Grade, % | - | 0 | 0 | - | 0 | - |
| Peak Hour Factor | 92 | 92 | 92 | 92 | 92 | 92 |
| Heavy Vehicles, % | 2 | 2 | 2 | 2 | 2 | 2 |
| Mvmt Flow | 7 | 29 | 26 | 1 | 0 | 5 |
| Major/Minor | Major1 | Major2 | Minor2 | |||
|---|---|---|---|---|---|---|
| Conflicting Flow All | 27 | 0 | - | 0 | 70 | 27 |
| Stage 1 | - | - | - | - | 27 | - |
| Stage 2 | - | - | - | - | 43 | - |
| Critical Hdwy | 4.12 | - | - | - | 6.42 | 6.22 |
| Critical Hdwy Stg 1 | - | - | - | - | 5.42 | - |
| Critical Hdwy Stg 2 | - | - | - | - | 5.42 | - |
| Follow-up Hdwy | 2.218 | - | - | - | 3.518 | 3.318 |
| Pot Cap-1 Maneuver | 1587 | - | - | - | 934 | 1048 |
| Stage 1 | - | - | - | - | 996 | - |
| Stage 2 | - | - | - | - | 979 | - |
| Platoon blocked, % | - | - | - | |||
| Mov Cap-1 Maneuver | 1587 | - | - | - | 930 | 1048 |
| Mov Cap-2 Maneuver | - | - | - | - | 930 | - |
| Stage 1 | - | - | - | - | 992 | - |
| Stage 2 | - | - | - | - | 979 | - |
| Approach | EB | WB | SB |
|---|---|---|---|
| HCM Control Delay, s | 1.3 | 0 | 8.5 |
| HCM LOS | A |
| Minor Lane/Major Mvmt | EBL | EBT | WBT | WBR | SBLn1 |
|---|---|---|---|---|---|
| Capacity (veh/h) | 1587 | - | - | - | 1048 |
| HCM Lane V/C Ratio | 0.004 | - | - | - | 0.005 |
| HCM Control Delay (s) | 7.3 | 0 | - | - | 8.5 |
| HCM Lane LOS | A | A | - | - | A |
| HCM 95th %tile Q(veh) | 0 | - | - | - | 0 |
Post Development PM Peak Hour, Updated
Addoz Engineering Inc.
08-22-2023
Page 267–272
Extracted from: 2023 12 12 Committee of the Whole Agenda - Agenda - Pdf