May 5, 2017 - This website is intended to serve as a user's guide for application of the Winchester Frederick County. Me
WinFred User’s Guide
May 5, 2017
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Contents WinFred User’s Guide and Wiki . . Overview . . . . . . . . . . . . Quick Start . . . . . . . . . . . . . . Installation . . . . . . . . . . . Running the Base Scenario . . Seeing Input and Output Files
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5 5 6 6 6 12
1 Model Use Setup and Organization . . . . System Requirements . . Retrieving the Model Files Opening the Model . . . . Catalog and Scenario Manager Setting up Scenarios . . . Catalog . . . . . . . . . . Network Manager . . . . . . . . Building the User’s Guide . . .
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13 13 13 13 13 14 14 16 18 18
2 Model Stages Network Setup . . . . . . . . . Extract Scenario Network Area Type . . . . . . . . . Free flow speeds . . . . . . Link capacities . . . . . . Initial skims . . . . . . . . Trip Production . . . . . . . . Household Classification . Trip Production . . . . . . External and CV Trips . . . . . External Trips . . . . . . Commercial Vehicles . . . Trip Distribution . . . . . . . . Model Structure . . . . . Mode Choice . . . . . . . . . . Time-of-Day . . . . . . . . . . Highway Assignment . . . . . . Assignment Details . . . . Select Link . . . . . . . . Feedback Loop . . . . . . . . . Transit . . . . . . . . . . . . . . Transit Network . . . . .
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19 19 20 20 21 21 22 22 23 24 24 24 25 26 27 28 32 33 34 35 35 36 36
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Transit Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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A Input Files 41 Highway Networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Transit Networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Socioeconomic , ONEWAY=T, HEADWAY[1]=80, HEADWAY[2]=210, MODE=21, OPERATOR=1, N=2897, -2898, 2893, -2894, 2860, 2895, 3807, 2877, -2896, 2890, 3669, -5780, 5782, -5778, 2879, -2880, 2881, -2081, 2140, 3676, -3653, 3648, -3640, -3417, -3449, 3447, 3448, 3650, 3670 ... 43
Zonal walk percent and parking cost parameters are stored in TrnWalkPercent.dbf in each scenario. It captures the coverage of transit stops within each zone, which directly relates to transit mode. Coding Scenarios Documentation on editing transit line layers is available in the Cube application help. To edit a transit network for a new scenario: • Move a starting .LIN file into the scenario Input/ directory, and rename it to TROUTE.LIN • Make the edits to TROUTE.LIN using a text editor or the Cube transit layer editing tools. • The edits can involve alignment changes, peak or off-peak headways, or changes to the transit mode.
Socioeconomic Data The WinFred model uses socioeconomic tables defined by the MPO. The starting variables are shown in the table below. variable N, Z DISTRICT COUNTY ACRES POP HH WORK VEH EMP EMP_NOSG SCHOOL IND RET HTRET SER OFF SG_RET SG_AIR SG_COL SG_HOS SG_NAME
2015 total
106316 39889 52973 79832 55796 50255 17301 14671 7097 6132 17339 4733 2746 0 995 1800
definition TAZ ID District County TAZ is located in Acres in TAZ Population (in households) Households Workers Vehicles Employment Employment minus Special Generators K-12 Students Industrial employment Retail employment High traffic retail employment Service employment Office employment Special generator: retail Special generator: air Special generator: college Special generator: hospital Name of the special generator
Note that the POP variable represents “population in households.” This excludes “population in group quarters,” or people living in prisons, college dormitories, monastic institutions, etc. Census statistics typically report “Total population,” and these other two categories separately. Special generators are regional malls, colleges, and other types of destinations that likely have special trip attraction patterns, and that are treated separately in the destination choice model. 44
Coding scenarios For scenarios that test changes in socioeconomic or land use data, analysts must take care when adjusting these values. The following fields should not be modified: N, Z, COUNTY, ACRES. The other fields in this table are codependent; if an analyst increases the population he/she also must increase the number of households, workers, and vehicles. Otherwise, the analyst will be adding people who are non-working and auto-insufficient, which may not have been the intent of the scenario. Scenarios where the auto sufficiency changes are possible by altering the ratio of households and people to vehicles. Zones that have zero population must also have zero households, workers, and vehicles. Otherwise the model may crash with divide by zero errors. Similarly, the EMP column must represent the sum of the employment sub-categories, and EMP_NOSG the sum of the sub-categories without the SG_* categories. Otherwise, there may be inconsistencies in multiple sub-models.
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Appendix B
Output Files Daily Highway Network LOADED{year}{alternative}.NET The following are the final output fields retained in the highway assignment file. Field
Description
ATYPE CAPE_AM CAPE_MD CAPE_PM CAPE_NT CAPD_AM CAPD_MD CAPD_PM CAPD_NT AM_VOL MD_VOL PM_VOL NT_VOL TOTAL_VOL AM_DA MD_DA PM_DA NT_DA TOTAL_DA AM_SR MD_SR PM_SR NT_SR TOTAL_SR AM_IEEI MD_IEEI PM_IEEI
Computed Area Type Capacity for AM Period at LOS E Capacity for MD Period at LOS E Capacity for PM Period at LOS E Capacity for NT Period at LOS E Capacity for AM Period at LOS D Capacity for MD Period at LOS D Capacity for PM Period at LOS D Capacity for NT Period at LOS D AM Assignment Volume MD Assignment Volume PM Assignment Volume NT Assignment Volume Daily Volume (AM + MD + PM + NT) AM - Drive Alone Volume MD - Drive Alone Volume PM - Drive Alone Volume NT - Drive Alone Volume Total - Drive Alone Volume AM - Share Ride Volume MD - Share Ride Volume PM - Share Ride Volume NT - Share Ride Volume Total - Share Ride Volume AM - Internal External / External Internal Volume MD - Internal External / External Internal Volume PM - Internal External / External Internal Volume 47
Field
Description
NT_IEEI TOTAL_IEEI AM_CV MD_CV PM_CV NT_CV TOTAL_CV AM_EX_AUTO MD_EX_AUTO PM_EX_AUTO NT_EX_AUTO TOTAL_EX_AUTO
NT - Internal External / External Internal Volume Total - Internal External / External Internal Volume AM - Commercial Vehicles Volume MD - Commercial Vehicles Volume PM - Commercial Vehicles Volume NT - Commercial Vehicles Volume Total - Commercial Vehicles Volume AM - External - External Auto Volume MD - External - External Auto Volume PM - External - External Auto Volume NT - External - External Auto Volume Total - External - External Auto Volume
AM_EX_TRK MD_EX_TRK PM_EX_TRK NT_EX_TRK TOTAL_EX_TRK AM_CONGSPEE MD_CONGSPEE PM_CONGSPEE NT_CONGSPEE AM_TIME MD_TIME PM_TIME NT_TIME AM_VMT MD_VMT PM_VMT NT_VMT TOTAL_VMT AM_VHT MD_VHT PM_VHT NT_VHT TOTAL_VHT AM_VC_E MD_VC_E PM_VC_E NT_VC_E TOTAL_VC_E AM_VC_D MD_VC_D PM_VC_D NT_VC_D TOTAL_VC_D SL_DA SL_SR SL_IEEI SL_CV
AM - External - External Truck Volume MD - External - External Truck Volume PM - External - External Truck Volume NT - External - External Truck Volume Total - External - External Truck Volume AM - Congested Speeds MD - Congested Speeds PM - Congested Speeds NT - Congested Speeds AM - Congested Travel Time MD - Congested Travel Time PM - Congested Travel Time NT - Congested Travel Time AM - Vehicle Miles of Travel (VMT) MD - Vehicle Miles of Travel (VMT) PM - Vehicle Miles of Travel (VMT) NT - Vehicle Miles of Travel (VMT) Total - Vehicle Miles of Travel (VMT) AM - Vehicle Hours of Travel (VHT) MD - Vehicle Hours of Travel (VHT) PM - Vehicle Hours of Travel (VHT) NT - Vehicle Hours of Travel (VHT) Total - Vehicle Hours of Travel (VHT) AM - Volume to LOS E Capacity Ratio (V/C) MD - Volume to LOS E Capacity Ratio (V/C) PM - Volume to LOS E Capacity Ratio (V/C) NT - Volume to LOS E Capacity Ratio (V/C) Total - Volume to LOS E Capacity Ratio (V/C) AM - Volume to LOS D Capacity Ratio (V/C) MD - Volume to LOS D Capacity Ratio (V/C) PM - Volume to LOS D Capacity Ratio (V/C) NT - Volume to LOS D Capacity Ratio (V/C) Total - Volume to LOS D Capacity Ratio (V/C) Select Link - Drive Alone Volume Select Link - Share Ride Volume Select Link - Internal External / External Internal Volume Select Link - Commercial Vehicle Volume 48
Field
Description
SL_EE_AUTO SL_EE_TRK SL_TOT SPEED_PK_CN TIME_PK_CNG SPEED_OP_CN TIME_OP_CNG OFT FT
Select Link - External External Auto Volume Select Link - External External Truck Volume Select Link - Total Volume Peak Congested Speed Peak Congested Travel Time Off-Peak Congested Speed Off-Peak Congested Travel Time Grouped Facility Types Facility Types
Transit Route Loadings Trn_{PK, OP}.dbf The following fields are written to the transit assignment output. Field
Description
A B MODE OPERATOR NAME LONGNAME DIST TIME LINKSEQ HEADWAY_2
A node B Node Transit Mode (21: Local Bus, 22: Premium Bus) Transit Operator (refer CUBE user guide for more details) Route Name Route Long Name Transit segment distance between two transit nodes Transit segment time between two transit nodes Transit Segment distance between two transit nodes Headway by time period (1: Peak, 2: Off-peak)
STOPA STOPB VOL ONA OFFA ONB OFFB REV_VOL REV_ONA REV_OFFA REV_ONB REV_OFFB
STOP node A STOP node B Transit volume on the section between nodes A & B Transit boardings at STOP A Transit alightings at STOP A Transit boardings at STOP B Transit alightings at STOP B Transit volume on the section between nodes B & A Transit boardings at STOP A (for reverse direction) Transit alightings at STOP A (for reverse direction) Transit boardings at STOP B (for reverse direction) Transit alightings at STOP B (for reverse direction)
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