GBNRTC Demonstration Model

Model Operation

The GBNRTC model is a four-step model run using TransCAD. Because TransCAD is proprietary software, the core model itself is not distributed with TMIP-EMAT.

Model Scope Definition

The model exploratory scope is defined in a YAML text file. In this example, the scope is given by:

  1---
  2# EMAT Scope Definition
  3# 
  4
  5scope:
  6    name: GBNRTC
  7    desc: EMAT Prototype using TransCAD
  8
  9inputs:
 10
 11    ## UNCERTAINTIES ##
 12
 13    Land Use - CBD Focus:
 14        ptype: exogenous uncertainty
 15        desc: Change in overall land use with greatest effect in CBD
 16        default: 1.0
 17        min: 0.82
 18        max: 1.37
 19        dist:
 20            name: pert
 21            rel_peak: 0.33
 22            gamma: 4
 23        corr: []
 24
 25    Freeway Capacity:
 26        ptype: exogenous uncertainty
 27        desc: Change in freeway capacity due to Vehicle Technology
 28        default: 1.0
 29        min: 1.0
 30        max: 2.0
 31        dist:
 32            name: triangle
 33            rel_peak: 0.5
 34        corr: []
 35        
 36    Auto IVTT Sensitivity:
 37        ptype: exogenous uncertainty
 38        desc: Change in sensitivity to Auto travel time due to Vehicle Technology
 39        default: 1.0
 40        min: 0.75
 41        max: 1.0
 42        dist:
 43            name: triangle
 44            rel_peak: 0.5
 45        corr: []
 46        
 47    Shared Mobility:
 48        ptype: exogenous uncertainty
 49        desc: Change in vehicle availability to represent ubiquity of shared mobility
 50        default: 0
 51        min: 0
 52        max: 1.0
 53        dist:
 54            name: pert
 55            rel_peak: 0.5
 56            gamma: 4
 57        corr: []
 58    
 59    ## LEVERS ##  
 60        
 61    Kensington Decommissioning:
 62        ptype: policy lever
 63        dtype: bool
 64        desc: Change Kensington facility type from divided highway to arterial
 65        default: 0
 66        min: 0 
 67        max: 1
 68        dist: binary
 69        corr: []
 70        
 71    LRT Extension:
 72        ptype: policy lever
 73        dtype: bool
 74        desc: Amherst LRT extended to UB campus
 75        default: 0
 76        min: 0 
 77        max: 1
 78        dist: binary
 79        corr: []
 80
 81
 82# Performance Measures -------------------------------------------------------
 83#
 84
 85outputs:
 86
 87    Region-wide VMT:
 88        metamodeltype: log
 89        kind: minimize
 90    Interstate + Expressway + Ramp/Connector VMT:
 91        metamodeltype: log
 92        kind: minimize
 93    Major and Minor Arterials VMT:
 94        metamodeltype: log
 95        kind: minimize
 96    Total Auto VMT:
 97        metamodeltype: log
 98        kind: minimize
 99    Total Truck VMT:
100        metamodeltype: log
101        kind: minimize
102
103    AM Trip Time (minutes):
104        metamodeltype: log
105        kind: minimize
106    AM Trip Length (miles):
107        metamodeltype: log
108        kind: minimize
109    PM Trip Time (minutes):
110        metamodeltype: log
111        kind: minimize
112    PM Trip Length (miles):
113        metamodeltype: log
114        kind: minimize
115
116    Total Transit Boardings:
117        metamodeltype: log
118        kind: maximize
119    Total LRT Boardings:
120        metamodeltype: log
121        kind: maximize
122
123    Downtown to Airport Travel Time:
124        metamodeltype: log
125        kind: minimize
126    Households within 30 min of CBD:
127        metamodeltype: log
128        kind: minimize
129    Number of Home-based work tours taking <= 45 minutes via transit:
130        metamodeltype: log
131        kind: minimize
132
133    Kensington Daily VMT:
134        metamodeltype: log
135        kind: minimize
136    Kensington Daily VHT:
137        metamodeltype: log
138        kind: minimize
139    Kensington_OB PM VMT:
140        metamodeltype: log
141        kind: minimize
142    Kensington_OB PM VHT:
143        metamodeltype: log
144        kind: minimize
145    Kensington_IB AM VMT:
146        metamodeltype: log
147        kind: minimize
148    Kensington_IB AM VHT:
149        metamodeltype: log
150        kind: minimize
151    Corridor 190 Daily VMT:
152        metamodeltype: log
153        kind: minimize
154    Corridor 190 Daily VHT:
155        metamodeltype: log
156        kind: minimize
157    Corridor 190_OB Daily VMT:
158        metamodeltype: log
159        kind: minimize
160    Corridor 190_OB Daily VHT:
161        metamodeltype: log
162        kind: minimize
163    Corridor 190_IB Daily VMT:
164        metamodeltype: log
165        kind: minimize
166    Corridor 190_IB Daily VHT:
167        metamodeltype: log
168        kind: minimize
169    Corridor 33_west Daily VMT:
170        metamodeltype: log
171        kind: minimize
172    Corridor 33_west Daily VHT:
173        metamodeltype: log
174        kind: minimize
175    Corridor I90_south Daily VMT:
176        metamodeltype: log
177        kind: minimize
178    Corridor I90_south Daily VHT:
179        metamodeltype: log
180        kind: minimize
181
182    # distribution
183
184    OD Volume District 1 to 1:
185        metamodeltype: log
186        kind: info
187    OD Volume District 1 to 2:
188        metamodeltype: log
189        kind: info
190    OD Volume District 1 to 3:
191        metamodeltype: log
192        kind: info
193    OD Volume District 1 to 4:
194        metamodeltype: log
195        kind: info
196    OD Volume District 1 to 5:
197        metamodeltype: log
198        kind: info
199    OD Volume District 1 to 6:
200        metamodeltype: log
201        kind: info
202    OD Volume District 1 to 7:
203        metamodeltype: log
204        kind: info
205    OD Volume District 1 to 8:
206        metamodeltype: log
207        kind: info
208    OD Volume District 1 to 9:
209        metamodeltype: log
210        kind: info
211    OD Volume District 1 to 10:
212        metamodeltype: log
213        kind: info
214
215    # transit measures with no metamodeltype
216
217    Peak Transit Share:
218        kind: maximize
219    Peak NonMotorized Share:
220        kind: maximize
221    Off-Peak Transit Share:
222        kind: maximize
223    Off-Peak NonMotorized Share:
224        kind: maximize
225    Daily Transit Share:
226        kind: maximize
227    Daily NonMotorized Share:
228        kind: maximize
229...