U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000


Skip to content
Facebook iconYouTube iconTwitter iconFlickr iconLinkedInInstagram

Federal Highway Administration Research and Technology
Coordinating, Developing, and Delivering Highway Transportation Innovations

 
REPORT
This report is an archived publication and may contain dated technical, contact, and link information
Back to Publication List        
Publication Number:  FHWA-HRT-13-097    Date:  September 2014
Publication Number: FHWA-HRT-13-097
Date: September 2014

 

Analysis of Network and Non-Network Factors on Traveler Choice Toward Improving Modeling Accuracy for Better Transportation Decisionmaking

APPENDIX. COMPLETE LIST OF EXAMINED VARIABLES FOR NON-NETWORK MODEL

This appendix provides definitions for all examined variables in the non-network model.

Table 31. Variables and their definitions.

Variable Definition
Trip ID Unique ID for each recorded trip
SAMPN Unique household ID
PERNO Person ID within a household
PLANO Trip plan ID for each person
MODE Chosen trip mode
  1. Walk
  2. Bike
  3. Auto/van/truck driver
  4. Auto/van/truck passenger
  5. CTA bus
  6. CTA train
  7. PACE bus
  8. Metra train/South Shore Railroad
  9. Private shuttle bus
  10. Dial a ride/para-transit
  11. Taxi
  12. Local transit (NIRPC region)
  1. Other, specify
  2. Don’t know
  3. Refused
DISTANCE Trip distance.
auto_cost Traveling cost by auto.
bus_cost Traveling cost by bus (CTA and Pace).
cta_rail_cost Traveling cost by CTA.

metra_cost

Traveling cost by Metra.

walk_cost

Traveling cost by walking (assumed to be zero).

bike_cost

Traveling cost by biking (assumed to be zero).
auto_tt If auto is the chosen mode, then auto_tt = reported travel time in the survey. Otherwise, auto_tt is obtained from time-dependent origin-destination travel times estimated by a DTA model (DYNASMART).
bus_tt If bus (either CTA or PACE) is the chosen mode, the bus_tt = reported travel time in the survey. Otherwise, bus_tt is estimated using an average bus speed obtained from the Household Travel Survey.
cta_rail_tt If CTA train is the chosen mode, the cta_rail_tt = reported travel time in the survey. Otherwise, cta_rail_tt is estimated using an average CTA train speed obtained from the Household Travel Survey.
metra_tt If Metra is the chosen mode, the metra_tt = reported travel time in the survey. Otherwise, metra_tt is estimated using an average Metra speed obtained from the Household Travel Survey.
walk_tt If walking is the chosen mode, the walk_tt = reported travel time in the survey. Otherwise, walk_tt is estimated using an average walking speed obtained from the Household Travel Survey.
bike_tt If biking is the chosen mode, the bike_tt = reported travel time in the survey. Otherwise, bike_tt is estimated using an average biking speed obtained from the Household Travel Survey.
dep_hour Departure time from origin (hour).
dep_minute Departure time from origin (minute).
arr_hour Arrival time at destination (hour).
arr_minute Arrival time at destination (minute).
act_dur Activity duration (minute).
or_loc Origin location ID (approximate).
or_zone07 Origin TAZ (consistent with CMAP and DYNASMART zoning).
des_loc Destination location ID (approximate).
des_zone07 Destination TAZ (consistent with CMAP and DYNASMART zoning).
OR_GN_PURP Origin purpose:
  • Home.
  • Work.
  • School.
  • Other.
DES_GN_PURP Destination purpose:
  • Home.
  • Work.
  • School.
  • Other.
purpose Trip purpose:
  • HBW.
  • HBSch.
  • HBO.
  • NHB.
Income_level Household annual income:
  1. Less than $20,000.
  2. $20,000–$34,999.
  3. $35,000–49,999.
  4. $50,000–$59,999.
  5. $60,000–$74,999.
  6. $75,000–$99,999.
  7. More than $100,000.
  1. Refused.
Income Household annual income (a value from the associated bin is randomly drawn and assigned).
AGE Age of the traveler.
DISAB Dummy variable for disability status of the traveler:
  1. Disabled.
  2. Not disabled.
HHVEH Number of vehicles in the household.
HHSIZE Number of persons in the household.
HHWRK Number of workers in the household.
O_MixDiversity1Mile Land use mix diversity index at origin (see figure 17). The mix diversity index is zero if land use is completely homogenous with only one class. The mix diversity index is one if land use is fully mixed with equal proportion of all included land use classes.
O_MixDiversity0.5Mile Land use mix diversity index at origin (0.5-mi circle)
O_MixDiversity0.25Mile Land use mix diversity index at origin (0.25-mi circle)
O_ResComm0.25Mile Dummy variable for mixed use development at origin (residential + commercial) for 0.25-mi circle (1 = mixed use developed, 0 = not mixed use developed).
O_ResCommInst0.25Mile Dummy variable for mixed use development at origin (residential + commercial + institutional) for 0.25-mi circle
(1 = mixed use developed, 0 = not mixed use developed).
O_ResCommInstInds0.25Mile Dummy variable for mixed use development at origin (residential + commercial + institutional + industrial) for
0.25-mi circle (1 = mixed use developed, 0 = not mixed use developed).
O_ResComm0. 5Mile Dummy variable for mixed use development at origin (residential + commercial) for 0.5-mi circle (1 = mixed use developed, 0 = not mixed use developed).
O_ResCommInst0.5Mile Dummy variable for mixed use development at origin (residential + commercial + institutional) for 0. 5-mi circle
(1 = mixed use developed, 0 = not mixed use developed).
O_ResCommInstInds0.5Mile Dummy variable for mixed use development at origin (residential + commercial + institutional + industrial) for
0.5-mi circle (1 = mixed use developed, 0 = not mixed use developed).
O_ResComm1Mile Dummy variable for mixed use development at origin (residential + commercial) for 1-mi circle (1 = mixed use developed, 0 = not mixed use developed).
O_ResCommInst1Mile Dummy variable for mixed use development at origin (residential + commercial + institutional) for 1-mi circle
(1 = mixed use developed, 0 = not mixed use developed).
O_ResCommInstInds1Mile Dummy variable for mixed use development at origin (residential + commercial + institutional + industrial) for
1-mi circle (1 = mixed use developed, 0 = not mixed use developed).
D_MixDiversity1Mile Land use mix diversity index at destination (1-mi circle).
O_MixDiversity0.5Mile Land use mix diversity index at destination (0.5-mi circle).
O_MixDiversity0.25Mile Land use mix diversity index at destination (0.25-mi circle).
D_ResComm0.25Mile Dummy variable for mixed use development at destination (residential + commercial) for 0.25-mi circle (1 = mixed use developed, 0 = not mixed use developed).
D_ResCommInst0.25Mile Dummy variable for mixed use development at destination (residential + commercial + institutional) for 0.25-mi circle
(1 = mixed use developed, 0 = not mixed use developed).
D_ResCommInstInds0.25Mile Dummy variable for mixed use development at destination (residential + commercial + institutional + industrial) for
0.25-mi circle (1 = mixed use developed, 0 = not mixed use developed).
D_ResComm0. 5Mile Dummy variable for mixed use development at destination (residential + commercial) for 0.5-mi circle (1 = mixed use developed, 0 = not mixed use developed).
D_ResCommInst0.5Mile Dummy variable for mixed use development at destination (residential + commercial + institutional) for 0. 5-mi circle
(1 = mixed use developed, 0 = not mixed use developed).
D_ResCommInstInds0.5Mile Dummy variable for mixed use development at destination (residential + commercial + institutional + industrial) for
0.5-mi circle (1 = mixed use developed, 0 = not mixed use developed).
D_ResComm1Mile Dummy variable for mixed use development at destination (residential + commercial) for 1-mi circle (1 = mixed use developed, 0 = not mixed use developed).
D_ResCommInst1Mile Dummy variable for mixed use development at destination (residential + commercial + institutional) for 1-mi circle
(1 = mixed use developed, 0 = not mixed use developed).
D_ResCommInstInds1Mile Dummy variable for mixed use development at destination (residential + commercial + institutional + industrial) for
1-mi circle (1 = mixed use developed, 0 = not mixed use developed).
O_Walk_score Walk score at origin.
O_Transit_score Transit score at origin.
D_Walk_score Walk score at destination.
D_Transit_score Transit score at destination.
O_CTA_train_0.25 Dummy variable for CTA train accessibility at origin (1 = transit accessible, 0 =not transit accessible) for 0.25-mi circle.
O_CTA_train_0.5 Dummy variable for CTA train accessibility at origin (1 = transit accessible, 0 = not transit accessible) for 0.5-mi circle.
O_CTA_train_0.75 Dummy variable for CTA train accessibility at origin (1 = transit accessible, 0 = not transit accessible) for 0.75-mi circle.
O_CTA_train_1 Dummy variable for CTA train accessibility at origin (1 = transit accessible, 0 = not transit accessible) for 1-mi circle.
O_CTA_bus_0.25 Dummy variable for CTA bus accessibility at origin (1 = transit accessible, 0 = not transit accessible) for 0.25-mi circle.
O_CTA_bus_0.5 Dummy variable for CTA bus accessibility at origin (1 = transit accessible, 0 = not transit accessible) for 0.5-mi circle.
O_CTA_bus_0.75 Dummy variable for CTA bus accessibility at origin
(1 = transit accessible, 0 = not transit accessible) for
0.75-mi circle.
O_CTA_bus_1 Dummy variable for CTA bus accessibility at origin (1 = transit accessible, 0 = not transit accessible) for 1-mi circle.
O_CTA_Metra_0.25 Dummy variable for Metra accessibility at origin (1 = transit accessible, 0 = not transit accessible) for 0.25-mi circle.
O_CTA_ Metra _0.5 Dummy variable for Metra accessibility at origin (1 = transit accessible, 0 = not transit accessible) for 0.5-mi circle.
O_CTA_ Metra _0.75 Dummy variable for Metra accessibility at origin (1 = transit accessible, 0 = not transit accessible) for 0.75-mi circle.
O_CTA_ Metra _1 Dummy variable for Metra accessibility at origin (1 = transit accessible, 0 = not transit accessible) for 1-mi circle.
O_CTA_Pace_0.25 Dummy variable for Pace accessibility at origin (1 = transit accessible, 0 = not transit accessible) for 0.25-mi circle.
O_CTA_ Pace _0.5 Dummy variable for Pace accessibility at origin (1 = transit accessible, 0 = not transit accessible) for 0.5-mi circle.
O_CTA_ Pace _0.75 Dummy variable for Pace accessibility at origin (1 = transit accessible, 0 = not transit accessible) for 0.75-mi circle.
O_CTA_ Pace _1 Dummy variable for Pace accessibility at origin (1 = transit accessible, 0 = not transit accessible) for 1-mi circle.
D_CTA_train_0.25 Dummy variable for CTA train accessibility at destination
(1 = transit accessible, 0 = not transit accessible) for 0.25-mi circle.
D_CTA_train_0.5 Dummy variable for CTA train accessibility at destination
(1 = transit accessible, 0 = not transit accessible) for 0.5-mi circle.
D_CTA_train_0.75 Dummy variable for CTA train accessibility at destination
(1 = transit accessible, 0 = not transit accessible) for 0.75-mi circle.
D_CTA_train_1 Dummy variable for CTA train accessibility at destination
(1 = transit accessible, 0 = not transit accessible) for 1-mi circle.
D_CTA_bus_0.25 Dummy variable for CTA bus accessibility at destination
(1 = transit accessible, 0 = not transit accessible) for 0.25-mi circle.
D_CTA_bus_0.5 Dummy variable for CTA bus accessibility at destination (1 = transit accessible, 0 = not transit accessible) for 0.5-mi circle.
D_CTA_bus_0.75 Dummy variable for CTA bus accessibility at destination
(1 = transit accessible, 0 = not transit accessible) for 0.75-mi circle.
D_CTA_bus_1 Dummy variable for CTA bus accessibility at destination (1 = transit accessible, 0 = not transit accessible) for 1-mi circle.
D_CTA_Metra_0.25 Dummy variable for Metra accessibility at destination
(1 = transit accessible, 0 = not transit accessible) for 0.25-mi circle.
D_CTA_ Metra _0.5 Dummy variable for Metra accessibility at destination (1 = transit accessible, 0 = not transit accessible) for 0.5-mi circle.
D_CTA_ Metra _0.75 Dummy variable for Metra accessibility at destination
(1 = transit accessible, 0 = not transit accessible) for 0.75-mi circle.
D_CTA_ Metra _1 Dummy variable for Metra accessibility at destination (1 = transit accessible, 0 = not transit accessible) for 1-mi circle.
D_CTA_Pace_0.25 Dummy variable for Pace accessibility at destination
(1 = transit accessible, 0 = not transit accessible) for 0.25-mi circle.
D_CTA_ Pace _0.5 Dummy variable for Pace accessibility at destination (1 = transit accessible, 0 = not transit accessible) for 0.5-mi circle.
D_CTA_ Pace _0.75 Dummy variable for Pace accessibility at destination (1 = transit accessible, 0 = not transit accessible) for 0.75-mi circle.
D_CTA_ Pace _1 Dummy variable for Pace accessibility at destination (1 = transit accessible, 0 = not transit accessible) for 1-mi circle.
O_Violent_0_25 Number of violent crimes occurring from 2005–2008 in the 0.25-mi radius of the origin latitude and longitude.
O_Violent_0_50 Number of violent crimes occurring from 2005–2008 in the 0.50-mi radius of the origin latitude and longitude.
O_Violent_0_75 Number of violent crimes occurring from 2005–2008 in the 0.75-mi radius of the origin latitude and longitude.
O_Violent_1 Number of violent crimes occurring from 2005–2008 in the
1-mi radius of the origin latitude and longitude.
O_Index_0_25 Number of index crimes occurring from 2005–2008 in the
0.25-mi radius of the origin latitude and longitude.
O_Index_0_50 Ibid., 0.50-mi radius.
O_Index_0_75 Ibid., 0.75-mi radius.
O_Index_1 Ibid., 1-mi radius.
O_NonIndex_0_25 Number of non-index crimes occurring from 2005–2008 in the 0.25-mi radius of the origin latitude and longitude.
O_NonIndex_0_50 Ibid., 0.50-mi radius.
O_NonIndex_0_75 Ibid., 0.75-mi radius.
O_NonIndex_1 Ibid., 1-mi radius.
O_IndexTransit_0_25 Number of index crimes occurring from 2005–2008 at transit stations/shelters in the 0.25-mi radius of the origin latitude and longitude.
O_IndexTransit_0_5 Ibid., 0.50-mi radius.
O_IndexTransit_0_75 Ibid., 0.75-mi radius.
O_IndexTransit_1 Ibid., 1-mi radius.
O_Prop_0_25 Number of property crimes occurring from 2005–2008 in the 0.25-mi radius of the origin latitude and longitude.
O_Prop_0_5 Ibid., 0.50-mi radius.
O_Prop_0_75 Ibid., 0.75-mi radius.
O_Prop_1 Ibid., 1-mi radius.
D_Violent_0_25 Number of violent crimes occurring from 2005–2008 in the
0.25-mi radius of the destination latitude and longitude.
D_Violent_0_50 Number of violent crimes occurring from 2005–2008 in the
0.50-mi radius of the destination latitude and longitude.
D_Violent_0_75 Number of violent crimes occurring from 2005–2008 in the
0.75-mi radius of the destination latitude and longitude.
D_Violent_1 Number of violent crimes occurring from 2005–2008 in the
1-mi radius of the destination latitude and longitude.
D_Index_0_25 Number of index crimes occurring from 2005–2008 in the
0.25-mi radius of the destination latitude and longitude.
D_Index_0_50 Ibid., 0.50-mi radius.
D_Index_0_75 Ibid., 0.75-mi radius.
D_Index_1 Ibid., 1-mi radius.
D_NonIndex_0_25 Number of non-index crimes occurring from 2005–2008 in the 0.25-mi radius of the destination latitude and longitude.
D_NonIndex_0_50 Ibid., 0.50-mi radius.
D_NonIndex_0_75 Ibid., 0.75-mi radius.
D_NonIndex_1 Ibid., 1-mi radius.
D_IndexTransit_0_25 Number of index crimes occurring from 2005–2008 at transit stations/shelters in the 0.25-mi radius of the destination latitude and longitude.
D_IndexTransit_0_5 Ibid., 0.50-mi radius.
D_IndexTransit_0_75 Ibid., 0.75-mi radius.
D_IndexTransit_1 Ibid., 1-mi radius.
D_Prop_0_25 Number of property crimes occurring from 2005–2008 in the 0.25-mi radius of the destination latitude and longitude
D_Prop_0_5 Ibid., 0.50-mi radius.
D_Prop_0_75 Ibid., 0.75-mi radius.
D_Prop_1 Ibid., 1-mi radius.
OR_Housing_1 Number of housing units at origin (1-mi circle).
OR_Pop_1 Population (head counts) at origin (1-mi circle).
OR_Jobs_1 Number of jobs at origin (1-mi circle).
OR_Area_1 Associated area at origin (1-mi circle). This area is slightly different from the area of a perfect circle because it is the sum of the areas of the census tracts located within the circle.
DES_Housing_1 Number of housing units at destination (1-mi circle).
DES_Pop_1 Population (head counts) at destination (1-mi circle).
DES_Jobs_1 Number of jobs at destination (1-mi circle).
DES_Area_1 Associated area at destination (1-mi circle).
OR_Housing_0.75 Number of housing units at origin (0.75-mi circle).
OR_Pop_0.75 Population (head counts) at origin (0.75-mi circle).
OR_Jobs_0.75 Number of jobs at origin (0.75-mi circle).
OR_Area_0.75 Associated area at origin (0.75-mi circle).
DES_Housing_0.75 Number of housing units at destination (0.75-mi circle).
DES_Pop_0.75 Population (head counts) at destination (0.75-mi circle).
DES_Jobs_0.75 Number of jobs at destination (0.75-mi circle).
DES_Area_0.75 Associated area at destination (0.75-mi circle).
OR_Housing_0.5 Number of housing units at origin (0.5-mi circle).
OR_Pop_0.5 Population (head counts) at origin (0.5-mi circle).
OR_Jobs_0.5 Number of jobs at origin (0.5-mi circle).
OR_Area_0.5 Associated area at origin (0.5-mi circle).
DES_Housing_0.5 Number of housing units at destination (0.5-mi circle).
DES_Pop_0.5 Population (head counts) at destination (0.5-mi circle).
DES_Jobs_0.5 Number of jobs at destination (0.5-mi circle).
DES_Area_0.5 Associated area at destination (0.5-mi circle).
OR_Housing_0.25 Number of housing units at origin (0.25-mi circle).
OR_Pop_0.25 Population (head counts) at origin (0.25-mi circle).
OR_Jobs_0.25 Number of jobs at origin (0.25-mi circle).
OR_Area_0.25 Associated area at origin (0.25-mi circle).
DES_Housing_0.25 Number of housing units at destination (0.25-mi circle).
DES_Pop_0.25 Population (head counts) at destination (0.25-mi circle).
DES_Jobs_0.25 Number of jobs at destination (0.25-mi circle).
DES_Area_0.25 Associated area at destination (0.25-mi circle).
Bike Number of bicycles in the households.
travel_time_index Travel time index equals actual travel time divided by free-flow travel time. Free-flow travel times are obtained from a DTA Model (DYNASMART) and actual travel time is the “auto_tt.”
DTA_travel_time_index DTA travel time index equals DTA travel time divided by free-flow travel time. Free-flow travel times and DTA travel times are both obtained from a DTA Model (DYNASMART).
OR_PopDensity_1 Population density at origin (1-mi circle).
OR_JobDensity_1 Job density at origin (1-mi circle).
DES_PopDensity_1 Population density at destination (1-mi circle).
DES_JobDensity_1 Job density at destination (1-mi circle).
OR_PopDensity_0.75 Population density at origin (0.75-mi circle).
OR_JobDensity_0.75 Job density at origin (0.75-mi circle).
DES_PopDensity_0.75 Population density at destination (0.75-mi circle).
DES_JobDensity_0.75 Job density at destination (0.75-mi circle).
OR_PopDensity_0.5 Population density at origin (0.5-mi circle).
OR_JobDensity_0.5 Job density at origin (0.5-mi circle).
DES_PopDensity_0.5 Population density at destination (0.5-mi circle).
DES_JobDensity_0.5 Job density at destination (0.5-mi circle).
OR_PopDensity_0.25 Population density at origin (0.25-mi circle).
OR_JobDensity_0.25 Job density at origin (0.25-mi circle).
DES_PopDensity_0.25 Population density at destination (0.25-mi circle).
DES_JobDensity_0.25 Job density at destination (0.25-mi circle).

 

 

Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000
Turner-Fairbank Highway Research Center | 6300 Georgetown Pike | McLean, VA | 22101