Recent Work

Parent: Center for Activity Systems Analysis

eScholarship stats: History by Item for April through July, 2026

Item	Title	Total requests	2026-07	2026-06	2026-05	2026-04
0r75311t	The Four Step Model	865	148	223	244	250
7j0003j0	The Four Step Model	441	82	91	91	177
86h7f5v0	The Activity-Based Approach	385	71	80	130	104
9pk298qc	Measuring Physical Accessibility with Space-Time Prisms in a GIS: A Case Study of Access to Health-Care Facilities	192	34	35	71	52
354750t4	Estimation of Vehicular Emissions by Capturing Traffic Variations	168	24	47	39	58
0j04f7gv	Land Use Influences on Trip Chaining in Portland, Oregon	161	23	37	63	38
5cc9w7pp	Impact Of Real-World Driving Characteristics On Vehicular Emissions	160	18	34	56	52
4nk4q801	An Empirical Investigation of the Dynamic Processes on Activity Scheduling and Trip Chaining	155	21	43	43	48
56t8j1n6	Structural Equation Modeling for Travel Behavior Research	155	12	37	56	50
0r28t441	Toward Dynamic, Longitudinal, Agent-Based Microsimulation Models of Human Activity in Urban Settings	152	15	26	52	59
9gn7265f	The Built Environment as a Determinant of Walking Behavior: Analyzing Non-Work Pedestrian Travel in Portland, Oregon	143	19	28	42	54
08z0p3v3	How Households Use Different Types of Vehicles: A Structural Driver Allocation and Usage Model	140	11	27	50	52
5qq985sv	Does Neighborhood Design Influence Travel? A Behavioral Analysis of Travel Diary and GIS Data	133	17	37	35	44
0xr3w1n5	Putting Behavior in Household Travel Behavior Data: An Interactive GIS-Based Survey via the Internet	128	15	28	40	45
06j9p6t3	Consumer E-Commerce, Virtual Accessibility and Sustainable Transport	121	10	23	46	42
7rb0h6gd	Why Do People Drive to Shop? Future Travel and Telecommunications Tradeoffs	120	21	26	34	39
951343hf	A Simultaneous Model of Household Activity Participation and Trip Chain Generation	118	6	21	42	49
2496s5nm	Application of Space-Time Prisms for the Measurement of Accessibility	115	11	23	40	41
2js9554x	The Potential for Integrating GIS in Activity-Based Forecasting Models	113	16	21	41	35
4z11d19q	An Activity-Based Microsimulation Model for Travel Demand Forecasting	113	29	23	31	30
9tc6f64c	Shopping without Travel or Travel without Shopping? An Investigation of Electronic Home Shopping	112	29	27	24	32
3bg4h82g	Can Land Use Policy Really Affect Travel Behavior? A Study of the Link between Non-Work Travel and Land Use Characteristics	109	14	35	32	28
1mb5w3p2	A Model of Activity Participation and Travel Interactions Between Household Heads	106	19	28	26	33
3826k93v	The Tracer Data Collection System: Implementation and Operational Experience	105	12	34	33	26
4xf6r519	Comparing the Influence of Land Use on Nonwork Trip Generation and Vehicle Distance Traveled: An Analysis using Travel Diary Data.	104	8	28	27	41
15x0v29d	Evaluation of a Shared-Use Electric Vehicle Program: Integrating a Web-Based Survey with In-Vehicle Tracking	103	12	23	39	29
3vv5s6jk	An Empirical Investigation of the Underlying Behavioral Processes of Trip Chaining	99	22	22	28	27
3tm4q252	A Latent Factor Model of Observed Activities	98	8	32	23	35
68t9d9m4	An Assessment of the Interaction of the Land Use-Transportation System and Travel Behavior	98	5	20	31	42
1596c2wb	An Activity-Based Microsimulation Model for Generating Synthetic Activity-Travel Patterns: Initial Results	97	9	13	42	33
5nj1b37b	A Model of Household Demand for Activity Participation and Mobility	95	12	23	32	28
5sv5v9qt	The Activity-Based Approach	94	11	17	29	37
4zv467qv	TRACER: In-Vehicle, GPS-Based Wireless Technology for Traffic Surveillance and Management.	93	8	20	31	34
40w6z879	The Design and Implementation of an On-Line Travel and Activity Survey	92	15	21	23	33
8dp3172d	GPS/GIS Technologies for Traffic Surveillance and Management: A Testbed Implementation Study	92	15	13	29	35
0r21q5jw	iCHASE: An Internet Computerized Household Activity Scheduling Elicitor Survey	90	5	17	38	30
62c2h8qr	Incorporating Yellow-Page Databases in GIS-Based Transportation Models	90	8	16	35	31
9730g8tn	An Activity-Based Travel Pattern Generation Model	90	11	14	27	38
95p732sh	Measuring the Impact of Efficient Household Travel Decisions on Potential Travel Time Savings and Accessibility Gains	86	18	13	20	35
5z12433b	Accessibility and Auto Use in a Motorized Metropolis	81	9	18	31	23
6nb6d6wx	An Activity-Based Approach to Accessibility	81	7	15	24	35
3867z3s9	A GPS Enhanced In-Vehicle Extensible Data Collection Unit	80	4	19	28	29
1vn7958m	On the Structure of Weekly Activity/Travel Patterns	78	8	14	23	33
1zd3g24p	Collecting Activity Data from GPS Readings	78	11	20	20	27
7jm9c08m	New Highways, Urban Development and Induced Travel	78	7	20	26	25
1zf82002	Conducting an Interactive Survey of Household Weekly Activities via Internet: Preliminary Results from a Pilot Study	76	7	18	32	19
8j85r8qm	The Household Activity Pattern Problem: General Formulation and Solution	75	5	24	21	25
9zd6c7dh	Land Use, Urban Design, and Non-Work Travel: Reproducing for Portland, Oregon, Empirical Tests from other Urban Areas	75	8	15	24	28
3vh911tv	A Simulation Framework and Environment for Activity Based Transportation Modeling	74	10	10	22	32
47f366f3	Experimenting with a Computerized Self-Administrative Survey: Evaluating a Pilot Study	74	8	19	21	26

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