Transcript Transportation Planning - Universiti Sains Malaysia

Transportation Planning
Modeling with EMME/2
Interconnectedness
Agencies Running The
MAG Model
Maricopa County
Regional Public Transportation Authority
Scottsdale
Tempe
Agencies Supported
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Buckeye
Chandler
Fountain Hills
Phoenix
ADOT
Gila River Indian Community
Gilbert
Glendale
Goodyear
Mesa
Pima Association of governments
Peoria
Phoenix
Pima-Maricopa Indian Community
US HUD
Components
Transportation Model
 Land Use
 Highway Network
 Transit Network
 Documentation
Major Updates
 1984 Travel Demand Model (UTPS)
1979 Travel Speed Study
1980 On-Board Bus Survey
1981 Home Interview Survey
 1990 Travel Model Update (UTPS)
1986 On-Board Bus Survey
1986 Travel Speed Study
1989 Home Interview Survey
 1995 Conversion to EMME2 and Model Update
1989 Home Interview
1991 On-Board Bus Survey
1993 Travel Speed Study
Recent Improvements
Feedback to Trip Distribution
HOV Modeling
Graphics
Model Flexibility
Remote Access
Socioeconomic Variables
Residential
Location
Household Income
Auto Ownership
 Employment
Location
Type
Modeled Area
Area is 60 x90 miles
29 Member Agencies
1541 Transportation Analysis Zones
Modeled Area
Area is 60 x90 miles
29 Member Agencies
1541 Transportation Analysis Zones
Transportation Model
Feedback
MAG Transportation Model
Trip Purpose Stratification
 Home-Based Work
Income Group Stratification
 Home-Based Shopping
 Home-Based Other
 Home-Based School
Elementary/Secondary
Arizona State University
Other University
 Non-Home Based
Non-Home-Based Other
Non-Home-Based Work
Trip Generation
Trip Production
j = f (Household size j, Household income j)
Trip Attraction
j = f (Retail Employment j, other
employment j, households j)
Productions and Attractions
Network Level of Service
 Highway
Travel distance ij
Travel time ij
Travel Cost
 Transit
Walk time ij
First wait ij
In-vehicle time ij
Transfer time ij
Fare ij
Number of transfers
Drive access areas
Walk access areas
Trip Distribution
Pi(Aj x Fij)
Tij =
S (Aj x Fij)
Tij = Trips from Zone i to Zone j
Pi = Trip Production in Zone i
Aj = trip Attraction in Zone j
Fij =Effect of travel time & distance
between Zone i & Zone j
Transit Access Coding
AM Peak Period Bus Travel
AM PEAK PERIOD
Time Factor
SERVICE
AREA TYPE
FACILITY TYPE
TRAVEL TIME
FACTOR
EXPRESS
1-5
FREEWAYS
1.44
EXPRESS
1-3
SURFACE ROADS
1.53
EXPRESS
4-5
SURFACE ROADS
1.83
LOCAL
1-3
ALL
1.66
LOCAL
4-5
ALL
1.90
SHUTTLE
1-5
ALL
3.00
Walk Access Path Building
Parameters
TIME (MIN)
BOARDING
3.00
WEIGHT
2.00
WAIT
½ HEADWAY
1.00
WALK ACCESS
60*((walk dist)/3)
2.00
WALK EGRESS
60*((walk dist)/3)
2.00
Multinomial Logit Structure
Choice
Drive Alone
Shared Ride
Transit Walk
Access
2 Occupants
3 Occupants
4+ Occupants
Transit Drive
Access
Mode Choice
Pij = Probability of using transit for a trip between Zone i to Zone j
Transit untilityij = f (transit level of serviceij , incomei )
Auto utilityij = f (highway level of service ij , income ij
Home Based Work
Observed vs. Estimated Trips by Mode
1990
Observed
1990
Estimated
Home Based Work
Income Category 1
Auto
Transit Walk Access
Transit Drive Access
Total
174,545.68
11,996.35
435.97
186,978.00
175,069.00
11,453.00
455.00
186,978.00
0.30%
-4.53%
4.37%
0.00%
Income Category 2
Auto
Transit Walk Access
Transit Drive Access
Total
226,469.55
7,889.46
926.00
235,285.00
226,285.00
8,050.00
949.00
235,284.00
-0.08%
2.03%
2.48%
-0.00%
1,113,951.49
9,800.08
3,396.43
1,127,148.00
1,114,269.00
9,511.00
3,368.00
1,127,149.00
0.03%
-2.95%
-0.84%
0.00
Income Category 3
Auto
Transit Walk Access
Transit Drive Access
Total
% error
Home Based Non-Work
Observed vs. Estimated Trips by Mode
1990
Observed
1990
Estimated
Home Based Non-work
Income Category 1
Auto
Transit Walk Access
Transit Drive Access
% error
531,568.99
19,319.67
454.34
530,699.00
20,196.00
448.00
-0.16%
4.54%
-1.40%
Income Category 2
Auto
Transit Walk Access
Transit Drive Access
522,050.92
7,120.04
336.04
521,888.00
7,318.00
301.00
-0.03%
2.78%
-10.43%
Income Category 3
Auto
Transit Walk Access
Transit Drive Access
2,561,758.01
8,889.99
949.00
2,561,486.00
9,152.00
959.00
-0.01%
2.95%
1.05%
Non-home Based
Observed vs. Estimated Trips by Mode
Non-Home Based
Auto
Transit Walk Access
Transit Drive Access
1990
Observed
2,072,182.00
8,179.00
388.00
1990
Estimated
2,072,398.00
7,980.00
372.00
% error
0.01%
-2.43%
-4.12%
Transit Trips
Thousands
Transit Boardings
Thousands
Transit Transfer Rate
1980 Weekday 24-hour Counts
I-10: East of 40th Street
Actual vs. Estimated Counts
Highway Travel Forecasting
Accuracy of Models in Phoenix and Other Planning Areas
Population and Average
Daily VMT
Regional Freeway Priorities
Planned Street Improvements
Construct or Widen
2000-2010
2011-2019
Regional Transit Plan
More Frequent Service
New Service
Carbon Monoxide Concentrations
Projected for December 1995
1995 Freeway Traffic
AWDT Volumes (000) and V/C Ratios
Based on 1995 HOV
Traffic Assignment
and Freeway Management
System Counts
Current Projects
Updating Documentation
External Travel Survey
Household Travel Survey
Changing to New Computers
Transportation Planning
Modeling with EMME/2