Incorporating Long-Distance, Visitor, and Summer Travel...

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Incorporating Long-Distance, Visitor, and Summer Travel into the new Michigan Statewide Model June 27, 2017 Stephen Tuttle (RSG) Vince Bernardin, PhD (RSG) Jesse Frankovich (MDOT)

Transcript of Incorporating Long-Distance, Visitor, and Summer Travel...

Page 1: Incorporating Long-Distance, Visitor, and Summer Travel ...onlinepubs.trb.org/onlinepubs/Conferences/2018/ITM/STuttle.pdfIncorporating Long-Distance, Visitor, and Summer Travel into

Incorporating Long-Distance, Visitor, and Summer Travel into the new Michigan Statewide Model

June 27, 2017

Stephen Tuttle (RSG)Vince Bernardin, PhD (RSG)Jesse Frankovich (MDOT)

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Model Structure and Data-Driven Approach

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Model Components and Presentation Topics

NetworksSE Data Big Data

Big Data Pivoting

Long-Distance and Visitor

MODEL INPUTS

Short-Distance

Truck and Freight

DEMAND

ASSIGNMENT

Multi-Class Assignment

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Model Area

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Long-Distance Trips Michigan Visitor

Canada OD

Trip Generation

Destination Choice

Greater Michigan

Other USA

Greater Michigan

Other USA

Trip Generation Destination Choice

Advanced Trip-Based Framework

Not ABM, but captures some “low-hanging fruit”• Trip/Tour Purposes • Household Synthesis• Model linkages (HB -> NHB & Long-Distance -> Visitor)

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Data Sources

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Data Sources and Model Estimation

Source (2015) Long-Distance Travel Visitor Travel Summer

MI Other USA Canada

Daily HH Survey-227K Records Main 2nd 2nd

Long-Distance Recall-17K Records 2nd 2nd

AirSage-July, Oct. Weekday/end 20M unique (I,J,type)

2nd Main Main Main

Canada Border Crossing-13K Records

Main

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AirSage Expansion

Network and Daily Counts

Daily Expansion

Iterative Screenline Fitting

Parametric-Scaling

Final ODME

OD Expansion Factors

Raw AirSage

Address Trip Duration Bias

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HH Survey and Expanded AirSage

Raw AirSage**

Expanded AirSage

Household Survey

Daily Trips* 18.7 M 21.5 M 21.4 M

Trip Distance* 14.6 miles 8.2 miles 7.1 miles

*Resident, Internal, Non-Intrazonal Vehicle Trips**Raw data scaled to have zero daily percent error in assignment

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Long-Distance Travel

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Long-Distance Ground Trips (MI Residents)

HH Survey AirSage

Daily Trips 212K 213K

Distance (mi) 66 66

HH Survey AirSage LD Recall

Daily Trips 131K 106K 49K

Distance (mi) 173 157 230

50 to 100 miles

> 100 miles

*Figures exclude Air travel in HH surveys and inferred AirSage Air travel

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Long-Distance Generation

Variable Commute Business Main-tenance Leisure

Agent HH Workers ▲ ▲HH Persons ▲ ▲

Demographic Income ▲ ▲ ▲ ▲Has Children ▼ ▼ ▼Has Senior ▲ ▲

Location Urban ▼ ▼ ▼ ▼Detroit ▼ ▼ ▼ ▼Up Peninsula ▲ ▼

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AirSage Long-Distance Attractions

*only trips > 50 miles

20 MI Resident

20 Not MI Resident

Attractions

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Destination Choice: Starting Hypothesis (part 1)

Variable Business Commute Main-tenance

Leisure

Employment Accommodations 3.0 2.0 1.0Arts, Entertain… 0.5 0.1 2.5Retail & Dining 0.5 0.1 1.2 0.5Health & Social 1.0 0.9 2.0Government 1.5 1.2 1.2Other Emp 1.0 0.9 1.2

• Genetic Algorithm to estimate models• Improves fit of starting hypothesis

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Destination Choice Hypothesis (part 2)

Variable Business Commute Main-tenance

Leisure

Misc. Attr University Enroll 1.0 1.0 1.0Households 0.1 0.1 0.1 0.1GenAccess 0.1 0.3 -0.15

Location Park Area 0.5Great Lakes (mi) 0.1Interior Lake (mi) 0.5

Impedance Time -0.014 -0.016 -0.015 -0.015Distance -0.007 -0.008 -0.008 -0.008Log Distance -0.350 -0.400 -0.375 -0.375US Border X’ing -0.560 -0.200 -0.200 -0.200River Crossing -0.280 -0.100 -0.100 -0.100

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Visitor Travel

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Long-Distance Trips Michigan Visitor

Canada OD

Trip Generation

Destination Choice

Greater Michigan

Other USA

Greater Michigan

Other USA

Trip Generation Destination Choice

Long-Distance and Visitor Linkage

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Visitor vs. Long-Distance Trips

*AirSage Zones in MI excluding DTW

• Good Correlation• Not all visitor travel linked to long-distance

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Average Trip Duration vs. Distance

Longer Distance >>> Longer DurationLonger Duration >>> More Visitor Trips (per LD)

From Recall Survey (which may favor longer trips); Network distance

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Draft Visitor Model

Variable Coef.LD Trips (<100 mi) 0.24

LD Trips (100 to 200 mi) 0.57

LD Trips (200 to 500 mi) 1.12

LD Trips (>500 mi) 6.32

Retail Employment 0.063

Hotel Employment 0.207

Service Employment 0.0089 LD Distance

Visitor Trips vs. LD Distance

Visitor Trips

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Seasonal Travel

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Seasonal “Big Data” Trip Matrices

Fall AirSage Expansion

Traffic Counts Expanded

FallRaw Fall AirSage

Raw Summer AirSage

Expansion Factors

Expanded Summer

Summer AirSage Expansion

Outputs used in:1. Model Estimation2. Assignment Pivoting

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Observed Summer to Fall Ratio: LD and Visitor Trips

Long-Distance Destinations Visitor Origins

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Conclusions

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Conclusions/Innovations

• Long-Distance and Visitor linkage in an “advanced” trip-based framework

• Combine Big Data and Traditional data sources

• Initial support for using passive data to develop seasonal models

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www.rsginc.com

Contacts

www.rsginc.com

Contacts

Stephen TuttleCONSULTANT

[email protected]

Vince Bernardin, PhDDIRECTOR

[email protected]