Center for Activity Systems Analysis

Parent: UC Irvine Institute of Transportation Studies

eScholarship stats: History by Item for March through June, 2026

Item	Title	Total requests	2026-06	2026-05	2026-04	2026-03
0r75311t	The Four Step Model	955	223	244	250	238
7j0003j0	The Four Step Model	569	91	91	177	210
86h7f5v0	The Activity-Based Approach	393	80	130	104	79
354750t4	Estimation of Vehicular Emissions by Capturing Traffic Variations	208	47	39	58	64
9pk298qc	Measuring Physical Accessibility with Space-Time Prisms in a GIS: A Case Study of Access to Health-Care Facilities	196	35	71	52	38
5cc9w7pp	Impact Of Real-World Driving Characteristics On Vehicular Emissions	190	34	56	52	48
0j04f7gv	Land Use Influences on Trip Chaining in Portland, Oregon	181	37	63	38	43
4nk4q801	An Empirical Investigation of the Dynamic Processes on Activity Scheduling and Trip Chaining	179	43	43	48	45
56t8j1n6	Structural Equation Modeling for Travel Behavior Research	177	37	56	50	34
08z0p3v3	How Households Use Different Types of Vehicles: A Structural Driver Allocation and Usage Model	172	27	50	52	43
9gn7265f	The Built Environment as a Determinant of Walking Behavior: Analyzing Non-Work Pedestrian Travel in Portland, Oregon	153	28	42	54	29
06j9p6t3	Consumer E-Commerce, Virtual Accessibility and Sustainable Transport	151	23	46	42	40
0r28t441	Toward Dynamic, Longitudinal, Agent-Based Microsimulation Models of Human Activity in Urban Settings	150	26	52	59	13
5qq985sv	Does Neighborhood Design Influence Travel? A Behavioral Analysis of Travel Diary and GIS Data	149	37	35	44	33
0xr3w1n5	Putting Behavior in Household Travel Behavior Data: An Interactive GIS-Based Survey via the Internet	146	28	40	45	33
4xf6r519	Comparing the Influence of Land Use on Nonwork Trip Generation and Vehicle Distance Traveled: An Analysis using Travel Diary Data.	144	28	27	41	48
951343hf	A Simultaneous Model of Household Activity Participation and Trip Chain Generation	143	21	42	49	31
2496s5nm	Application of Space-Time Prisms for the Measurement of Accessibility	138	23	40	41	34
15x0v29d	Evaluation of a Shared-Use Electric Vehicle Program: Integrating a Web-Based Survey with In-Vehicle Tracking	129	23	39	29	38
7rb0h6gd	Why Do People Drive to Shop? Future Travel and Telecommunications Tradeoffs	129	26	34	39	30
3826k93v	The Tracer Data Collection System: Implementation and Operational Experience	126	34	33	26	33
4zv467qv	TRACER: In-Vehicle, GPS-Based Wireless Technology for Traffic Surveillance and Management.	125	20	31	34	40
1596c2wb	An Activity-Based Microsimulation Model for Generating Synthetic Activity-Travel Patterns: Initial Results	119	13	42	33	31
3bg4h82g	Can Land Use Policy Really Affect Travel Behavior? A Study of the Link between Non-Work Travel and Land Use Characteristics	118	35	32	28	23
2js9554x	The Potential for Integrating GIS in Activity-Based Forecasting Models	117	21	41	35	20
68t9d9m4	An Assessment of the Interaction of the Land Use-Transportation System and Travel Behavior	117	20	31	42	24
1mb5w3p2	A Model of Activity Participation and Travel Interactions Between Household Heads	116	28	26	33	29
3tm4q252	A Latent Factor Model of Observed Activities	115	32	23	35	25
9tc6f64c	Shopping without Travel or Travel without Shopping? An Investigation of Electronic Home Shopping	115	27	24	32	32
0r21q5jw	iCHASE: An Internet Computerized Household Activity Scheduling Elicitor Survey	114	17	38	30	29
9730g8tn	An Activity-Based Travel Pattern Generation Model	114	14	27	38	35
5sv5v9qt	The Activity-Based Approach	111	17	29	37	28
4z11d19q	An Activity-Based Microsimulation Model for Travel Demand Forecasting	105	23	31	30	21
40w6z879	The Design and Implementation of an On-Line Travel and Activity Survey	102	21	23	33	25
62c2h8qr	Incorporating Yellow-Page Databases in GIS-Based Transportation Models	102	16	35	31	20
6nb6d6wx	An Activity-Based Approach to Accessibility	99	15	24	35	25
95p732sh	Measuring the Impact of Efficient Household Travel Decisions on Potential Travel Time Savings and Accessibility Gains	99	13	20	35	31
3vv5s6jk	An Empirical Investigation of the Underlying Behavioral Processes of Trip Chaining	98	22	28	27	21
8dp3172d	GPS/GIS Technologies for Traffic Surveillance and Management: A Testbed Implementation Study	98	13	29	35	21
5nj1b37b	A Model of Household Demand for Activity Participation and Mobility	97	23	32	28	14
3867z3s9	A GPS Enhanced In-Vehicle Extensible Data Collection Unit	95	19	28	29	19
9zd6c7dh	Land Use, Urban Design, and Non-Work Travel: Reproducing for Portland, Oregon, Empirical Tests from other Urban Areas	94	15	24	28	27
7w59p200	TravelBehavior.com: Activity Approaches to Modeling the Effects of Information Technology on Personal Travel	90	17	21	28	24
8j85r8qm	The Household Activity Pattern Problem: General Formulation and Solution	90	24	21	25	20
1vn7958m	On the Structure of Weekly Activity/Travel Patterns	89	14	23	33	19
44h6f48x	A Bridge between Travel Demand Modeling and Activity-Based Travel Analysis	89	16	23	21	29
5z12433b	Accessibility and Auto Use in a Motorized Metropolis	89	18	31	23	17
7jm9c08m	New Highways, Urban Development and Induced Travel	89	20	26	25	18
1zf82002	Conducting an Interactive Survey of Household Weekly Activities via Internet: Preliminary Results from a Pilot Study	88	18	32	19	19
47f366f3	Experimenting with a Computerized Self-Administrative Survey: Evaluating a Pilot Study	86	19	21	26	20

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