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61.
通过综述城市设计与交通工程学科文献,从新西兰视角明确共享空间概念的起源和演变。综述过程包括研究公众期望变化背景下的公共道路空间的功能与使用以及如何与一些相互关联的街道设计方法(如交通稳静化和自适应道路)联系起来。这些方法从机动车时代初期就被用于最小化机动车影响。应用于城市活动中心的公共道路环境中的共享空间概念,正逐渐被城市规划师、交通工程师和管理部门所接受。共享空间不同于传统道路,它鼓励通过少量物理隔离使全体道路使用者合理地使用同一道路空间。为了以安全有效的方式实现共享空间,在设计上需要通过促进步行与骑行活动来降低机动车主导性,同时应将道路空间作为场所来利用而非仅仅出于其机动性与可达性目的。基于交通稳静化街道与共享空间在基础概念上的差异,认为共享空间由一些设计要素组成,若缺少这些要素,公共街道将难以对全体道路使用者发挥其真正的共享空间功能。 相似文献
62.
Bilal Farooq Eric J. Miller 《Transportation Research Part A: Policy and Practice》2012,46(7):1030-1053
Investigating the factors and processes that influence the spatiotemporal distribution of built space and population in an urban area, plays an extremely important role in our greater understanding of the urban travel behaviour. Existing location of activity centres, especially home and work, strongly influences the short-term individual-level decisions such as mode of transportation, and long-term household-level decisions such as change in job and residential location. Conditions in the built space market also affect households’ and firms’ location and relocation decisions, and hence influence the general travel patterns in an urban area. In this context, this paper addresses a very important, but at the same time, not very widely investigated dimension that plays a key role in the evolution of built space and population distribution: Market. A disequilibrium based microsimulation modelling framework is developed for the built space markets. This framework is then used to operationalize the Greater Toronto and Hamilton Area’s owner-occupied housing market within Integrated Land Use Transportation and Environment (ILUTE) modelling system. Simulation results captured heterogeneity in the transaction prices, due to type of dwellings and different market conditions, in a very disaggregate fashion. The proposed methodology is validated by running the simulation from 1986 to 2006 and comparing the results with the historic data. 相似文献
63.
Douglas K. Fleming 《Maritime Policy and Management》2013,40(4):281-283
The University of Washington recently (1981) established a College of Ocean and Fishery Sciences which incorporates extant programmes in oceanography, fisheries and other marine resource fields. The Institute for Marine Studies (IMS), organized in 1972 and presently directed by Professor Warren Wooster, is one component of the new college. IMS, a multidisciplinary academic and research unit, focuses on the management and policy issues arising from the many different uses of marine and coastal resources. 相似文献
64.
Restructuring of governmental activities in New Zealand calls for public enterprises to operate in competitive environments. This has created problems for highways and urban passenger transport. Whereas the national airline has been privatized and railways corporatized, legislation for land transport has created a Crown agency that is expected to operate commercially within funding and policy constraints. The problems are assessed as Transit New Zealand attempts to allocate state funds between competing projects using commercial criteria. New roles have been legislated for regional agencies and local governments: they are expected to either privatize service delivery or create public corporations to maintain highways and operate passenger transport. Principles underlying restructuring are examined, and suggestions are made on how agencies might take advantage of opportunities. 相似文献
65.
Marc L. Miller 《Coastal management》2013,41(4):301-311
Abstract Marine and coastal zone policy represents a collaboration of people managing and people managed. This paper takes a holistic stance in suggesting that marine communities are viewed properly as networks of focused interest groups, policymakers, professionals, and publics. The interplay between culture and marine and coastal policy is appropriately one topic of applied social research. Seven ethnographic studies in this domain are introduced in this theme issue and help us to understand sociocultural processes and institutions bearing on marine affairs. 相似文献
66.
Conceptual and empirical models of the propensity to perform social activity–travel behavior are described, which incorporate
the influence of individuals’ social context, namely their social networks. More explicitly, the conceptual model develops
the concepts of egocentric social networks, social activities, and social episodes, and defines the three sets of aspects
that influence the propensity to perform social activities: individuals’ personal attributes, social network composition,
and information and communication technology interaction with social network members. Using the structural equation modeling
(SEM) technique and data recently collected in Toronto, the empirical model tests the effect of these three aspects on the
propensity to perform social activities. Results suggest that the social networks framework provides useful insights into
the role of physical space, social activity types, communication and information technology use, and the importance of “with
whom” the activity was performed with. Overall, explicitly incorporating social networks into the activity–travel behavior
modeling framework provides a promising framework to understand social activities and key aspects of the underlying behavioral
process.
Juan Antonio Carrasco a PhD candidate in Civil Engineering at the University of Toronto, holds a MSc degree in Transportation Engineering from
the Pontificia Universidad Católica de Chile. His doctoral research explores the relationships between social networks, activity–travel
behavior, and ICTs. His research interests also include microsimulation, land use-transportation, and econometric modeling.
Eric J. Miller is Bahen-Tanenbaum Professor of Civil Engineering at the University of Toronto where he is also Director of the Joint Program
in Transportation. His research interests include integrated land-use/transportation modeling, activity-based travel modeling,
microsimulation and sustainable transportation planning. 相似文献
67.
68.
Several shared-ride passenger transportation services which could be offered by taxicabs are currently prohibited in U.S. cities by state or local regulations. Although relaxation of these regulations has been advocated on numerous occasions, little regulatory change has occurred to date. Moreover, the taxicab industry has rarely been considered as a potential provider for publicly subsidized transportation services. This paper discusses several promising innovations in taxicab service provisions and subsidy mechanisms which have been implemented or proposed recently in U.S. cities. The paper argues for more well-designed experimentation with such innovations as a means of stimulating greater interest on the part of planners, policy-makers, regulators, and public transportation operators in broadening the role of taxicabs in urban transportation. 相似文献
69.
Gerard de Jong Andrew Daly Marits Pieters Stephen Miller Ronald Plasmeijer Frank Hofman 《Transportation》2007,34(4):375-395
This paper provides a review of transport model applications that not only provide a central traffic forecast (or forecasts
for a few scenarios), but also quantify the uncertainty in the traffic forecasts in the form of a confidence interval or related
measures. Both uncertainty that results from using uncertain inputs (e.g. on income) and uncertainty in the model itself are
treated. The paper goes on to describe the methods used and the results obtained for a case study in quantifying uncertainty
in traffic forecasts in The Netherlands.
相似文献
Gerard de JongEmail: |
70.
Michael L. Barnett Colin J. Stevenson Douglas W. Lang 《WMU Journal of Maritime Affairs》2005,4(1):5-32
This paper reports the results of the first phase of a research project to explore alternative shipboard manning structures.
A review was conducted of relevant literature, although since the STCW revision in 1995, earlier studies are no longer as
relevant as they were. It was clear from this review that few organisations have explored the potential of Chapter VII of
the Convention for alternative structures and certification. 相似文献