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Performance analysis for a maritime port with high-frequency services: an Italian case study 高频服务海运港口的性能分析:意大利案例研究
IF 2.4 Q3 TRANSPORTATION Pub Date : 2024-07-27 DOI: 10.1016/j.cstp.2024.101263
Orlando Marco Belcore, Antonio Polimeni, Massimo Di Gangi

The increasing demand at maritime traffic nodes in multi-modal transport emerges as a critical factor for the country’s economy. Consequently, terminal operators should focus on proper strategies and policies to satisfy the increasing demand. This paper exploits the integration of Information Communications Technology systems into physical infrastructures and offers an in-depth study of operations and performance optimisation for a maritime terminal. The case study is the Messina-Tremestieri port (Sicily, South Italy), characterised by a high flow of cars and freight vehicles. This port is in the comprehensive Trans-European Transport Network, and it links Sicily Island with Italy, offering high-frequency services. About 30% of the goods by Ro-Ro services pass through this port: so, it makes sense to use it as a case study. The arrivals distribution, the terminal capacity and the supply offered by the shipping companies are considered input, and terminal efficiency is evaluated through indicators such as the saturation of the yard area and the average vessel load factor. Besides, the study offers two viable solutions to the emerging port saturation. First, a tactical policy (with no infrastructural costs) includes the introduction of flexible time windows. Alternatively, the introduction of additional vessel services has been evaluated during peak hours. Benefits have been simulated by comparing the total number of vehicles served in current and simulated scenarios.

在多式联运中,海上交通节点的需求日益增长,成为国家经济的关键因素。因此,码头运营商应关注适当的战略和政策,以满足日益增长的需求。本文利用信息通信技术系统与实体基础设施的整合,对一个海运码头的运营和性能优化进行了深入研究。案例研究对象是墨西拿-特雷梅斯特里港口(意大利南部西西里岛),其特点是汽车和货运车辆流量大。该港口位于泛欧运输网络中,连接西西里岛和意大利,提供高频率服务。约有 30% 的滚装货物通过该港口:因此,将其作为一个案例进行研究是很有意义的。到港货物分布、码头容量和船运公司提供的货源都被视为输入因素,码头效率则通过堆场饱和度和船舶平均装载率等指标进行评估。此外,研究还针对新出现的港口饱和问题提出了两个可行的解决方案。首先,战术政策(无基础设施成本)包括引入灵活的时间窗口。另外,还评估了在高峰时段引入额外船舶服务的方案。通过比较现有方案和模拟方案中服务的车辆总数,模拟了效益。
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引用次数: 0
Strategies to overcome constraints in the vehicle fill rate of road freight transport for FMCG sector 克服快速消费品行业公路货运车辆满载率制约因素的战略
IF 2.4 Q3 TRANSPORTATION Pub Date : 2024-07-23 DOI: 10.1016/j.cstp.2024.101261
Rudrangsu Biswas , Rupesh Kumar , Madhu Arora , Abhishek Kashyap , Hemisha Makan

The FMCG (Fast-Moving Consumer Goods) sector is the fourth largest sector in India, significantly contributing to the economy by driving the growth of gross domestic product (GDP) and enhancing employment opportunities. In India, most of the transportation of FMCG goods is dependent on road freight transport only hence the vehicle fill rate is gaining importance day by day. The vehicle fill rate is adversely influenced by various constraints including weight & load limits, variability in truck carrying capacity, etc. that further influence the performance of road freight transport, resulting in high transportation costs. Various strategies are required to overcome the constraints which will help optimize transportation costs for the FMCG sector in India. This study identified 32 solutions with Fuzzy TOPSIS (Fuzzy Technique for Order Preference by Similarity to Ideal Solution) employed for ranking of the solutions. Transport policy is identified as one of the top solutions, which plays a vital role in improving vehicle fill rate in the long run. Implementation of the solutions according to the need and rank may help the decision-makers and policymakers to achieve enhanced performance in road transport, compete globally, and contribute to the economy as well as the environment.

快速消费品(FMCG)行业是印度的第四大行业,通过推动国内生产总值(GDP)增长和增加就业机会,对印度经济做出了重大贡献。在印度,大部分快速消费品的运输仅依赖于公路货运,因此车辆满载率的重要性与日俱增。车辆满载率受到各种限制因素的不利影响,其中包括重量限制、装载限制、卡车运载能力的变化等,这些因素进一步影响了公路货物运输的性能,导致运输成本居高不下。需要采取各种策略来克服制约因素,这将有助于优化印度快速消费品行业的运输成本。这项研究确定了 32 个解决方案,并采用模糊 TOPSIS(通过与理想解决方案的相似性进行排序的模糊技术)对解决方案进行排序。运输政策被认为是最重要的解决方案之一,从长远来看,它在提高车辆满载率方面起着至关重要的作用。根据需求和排序实施解决方案可帮助决策者和政策制定者提高道路运输绩效,参与全球竞争,并为经济和环境做出贡献。
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引用次数: 0
Short and mid-term effect of the streetcar on vehicle-vehicle (and vehicle-pedestrian) crash rate on the adjacent street 有轨电车对邻近街道车辆与车辆(以及车辆与行人)碰撞率的短期和中期影响
IF 2.4 Q3 TRANSPORTATION Pub Date : 2024-07-20 DOI: 10.1016/j.cstp.2024.101262
Junsik Kim , Reid Ewing , Wookjae Yang , Hannaneh Abdollahzadeh Kalantari

Introduction

Introducing new public transit systems impacts the surrounding built environment, and changes in the built environment can affect travel behavior. Prior research has yet to thoroughly conduct a comprehensive exploration of the influence of new investments in public modes of transit, particularly streetcars, on motor vehicle crashes occurring on adjoining streets, considering other related factors. In particular, the difference between short-term and mid-term impacts of streetcars considering initial break-in periods has yet to be thoroughly conducted. This study focuses on the short-term and mid-term effects of the streetcar on total, injury, and pedestrian-involved vehicle crash rates on the adjacent street, considering traffic volume, traffic speeds, and traffic conflicts (transit ridership, pedestrian volume, and traffic policy).

Data & Method

This paper used the Utah Department of Transportation’s (UDOT) crash count, annual average daily traffic (AADT), iPeMS data, Utah Transit Authority’s (UTA) ridership, manually calculated pedestrian volume from Google Street View, and conducted interviews with UDOT’s experts. In the method, we used three quasi-experimental research designs: (1) before-after without a control group, (2) interrupted time series, and (3) before-after with a control group. In addition, to identify the cause of this impact, we examined multiple dimensions, including traffic volume, traffic speeds, transit ridership, pedestrian volume, and adjustments in traffic policy changes.

Results

As a result, the establishment of the S-Line streetcar eventually led to a significant decrease in total (short: 11 %, mid: −15 %), injury (short: −9%, mid: −41 %), and pedestrian-involved (short: −25 %, mid: −43 %) crash rates on the adjacent street, especially after the streetcar was fully established (3 years after). In particular, injury and pedestrian-involved crash rates decreased significantly. Also, we found that increased drivers’ awareness and vitality of the street due to the increased transit ridership (short: 43 %, mid: 50 %), increased pedestrian volume (short: 35 %, mid: 75 %), and improvement of traffic signal on the adjacent street can be the main causes.

Practical Applications

The outcomes of this study are considered to help establish short-term and mid-term traffic policies that consider public transit improvements such as streetcars.

导言引入新的公共交通系统会影响周围的建筑环境,而建筑环境的变化会影响人们的出行行为。之前的研究尚未深入全面地探讨新投资的公共交通方式(尤其是有轨电车)对邻近街道上发生的机动车碰撞事故的影响,也未考虑其他相关因素。特别是,考虑到初期磨合期,有轨电车的短期和中期影响之间的差异尚未得到深入研究。本研究的重点是有轨电车对相邻街道的总碰撞率、受伤碰撞率和行人碰撞率的短期和中期影响,同时考虑交通流量、交通速度和交通冲突(公交乘客、行人数量和交通政策)。数据和方法本文使用了犹他州交通部(UDOT)的碰撞计数、年平均日交通量(AADT)、iPeMS 数据、犹他州交通局(UTA)的乘客量、谷歌街景手动计算的行人量,并对 UDOT 的专家进行了访谈。在研究方法上,我们采用了三种准实验研究设计:(1)无对照组的前后对比研究;(2)中断时间序列研究;(3)有对照组的前后对比研究。此外,为了找出造成这种影响的原因,我们从多个维度进行了研究,包括交通量、交通速度、公交乘客量、行人量以及交通政策变化的调整。结果S线有轨电车的建成最终导致邻近街道的总碰撞率(短:11%,中:-15%)、伤害碰撞率(短:-9%,中:-41%)和行人碰撞率(短:-25%,中:-43%)显著下降,尤其是在有轨电车完全建成后(3年后)。其中,受伤和涉及行人的交通事故率明显下降。此外,我们还发现,由于公交乘客数量增加(短期:43%,中期:50%)、行人数量增加(短期:35%,中期:75%)以及邻近街道交通信号的改善,驾驶员对街道的认知度和活力也有所提高,这可能是主要原因。
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引用次数: 0
Consumer attitudes and preferences for plug-in hybrid electric vehicles: A case of Delhi and Kolkata, India 消费者对插电式混合动力电动汽车的态度和偏好:印度德里和加尔各答案例
IF 2.4 Q3 TRANSPORTATION Pub Date : 2024-07-11 DOI: 10.1016/j.cstp.2024.101259
Reema Bera Sharma , Deepjyoti Das , Bhargab Maitra

In the push for passenger transportation electrification, Plug-in Hybrid Electric Vehicles (PHEVs) serve as a suitable bridge towards sustainable transportation, especially in settings marked by rapid urbanization and socio-economic variations, such as India. Compared to conventional vehicles, PHEVs can offer distinct advantages, but Battery Electric Vehicles (BEVs) often overshadow their potential. Addressing the dearth of PHEV-specific research, this study investigates consumer attitudes and preferences for PHEVs in two Indian megacities: Delhi and Kolkata. Using a three-step method on attitudinal and stated preference data from 415 (Delhi) and 500 (Kolkata) car-owners, the study segmented consumers employing factor and cluster analyses, revealing dominant groups such as the ’actively concerned’, which merges consumers with technological enthusiasm and environmental awareness. Mixed logit models further unveil consumers’ willingness-to-pay (WTP) for various PHEV attributes. Notably, Delhi consumers exhibited 56 % more WTP for Advanced Vehicle Technology (AVT) options compared to their Kolkata counterparts. While Delhi consumers prioritized battery range, battery warranty, and recharging time, Kolkata consumers emphasized emission reduction. Sensitivity analysis revealed price as a dominant adoption barrier, suggesting subsidies could enhance PHEV uptake. This research highlights diverse PHEV preferences across Indian cities, underscoring the need for city-specific policy interventions.

在推动客运电气化的过程中,插电式混合动力电动汽车(PHEV)是实现可持续交通的合适桥梁,尤其是在印度等城市化快速发展和社会经济不断变化的环境中。与传统汽车相比,PHEV 具有明显的优势,但电池电动汽车(BEV)往往掩盖了其潜力。针对 PHEV 专项研究的缺乏,本研究调查了印度两个特大城市消费者对 PHEV 的态度和偏好:德里和加尔各答。研究采用三步法对 415 名(德里)和 500 名(加尔各答)车主的态度和陈述偏好数据进行了分析,并利用因子和聚类分析对消费者进行了细分,揭示了 "积极关注 "等占主导地位的群体,这些群体融合了消费者的技术热情和环保意识。混合对数模型进一步揭示了消费者对 PHEV 各种属性的支付意愿(WTP)。值得注意的是,德里消费者对先进汽车技术(AVT)选项的支付意愿比加尔各答消费者高出 56%。德里消费者优先考虑电池续航能力、电池保修和充电时间,而加尔各答消费者则强调减排。敏感性分析显示,价格是主要的采用障碍,这表明补贴可以提高 PHEV 的采用率。这项研究凸显了印度各城市对 PHEV 的不同偏好,强调了针对具体城市进行政策干预的必要性。
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引用次数: 0
Energy efficiency analysis of heavy goods vehicles in road transportation: The case of Morocco 公路运输中重型货运车辆的能源效率分析:摩洛哥案例
IF 2.4 Q3 TRANSPORTATION Pub Date : 2024-07-10 DOI: 10.1016/j.cstp.2024.101260
Faissal Jelti, Rachid Saadani

Passenger and freight transport are central to the socio-economic development of countries and urban life. Their enormous consumption of fossil fuels is problematic. It is essential to improve the efficiency and sustainability of this industry, especially in road transport. This paper assesses the heavy goods vehicles (trucks), as a specific segment of road transport, in Morocco from an energy standpoint. For this purpose, a methodology called DMAIC (Define, Measure, Analyze, Improve, and Control) was adopted to systematically define problems, measure the current state, analyze data to identify inefficiencies, as well as implement and monitor improvements for sustainable performance in this sector. The findings show that Moroccan trucks have significant sustainability gaps, characterized, mainly, by high fossil fuel consumption resulting in high exhaust emissions. The promotion of alternative powertrains such as hybrid, electric and fuel cell vehicles offer promising opportunities to reduce oil consumption and greenhouse gas emissions. Although these alternative powertrains have the potential to improve operational performance over traditional diesel models in Morocco, several challenges need to be addressed for their widespread uptake.

客运和货运是国家社会经济发展和城市生活的核心。它们对化石燃料的巨大消耗是个问题。提高该行业,尤其是公路运输的效率和可持续性至关重要。本文从能源角度评估了摩洛哥公路运输中的重型货运车辆(卡车)。为此,本文采用了一种名为 DMAIC(定义、测量、分析、改进和控制)的方法来系统地定义问题、测量现状、分析数据以确定效率低下的问题,以及实施和监测改进措施,以实现该行业的可持续绩效。研究结果表明,摩洛哥卡车在可持续发展方面存在巨大差距,主要特点是化石燃料消耗量大,导致废气排放量高。推广替代动力系统,如混合动力车、电动车和燃料电池车,为减少石油消耗和温室气体排放提供了大有可为的机会。在摩洛哥,虽然这些替代动力系统有可能比传统柴油车型提高运行性能,但要广泛采用这些动力系统,还需要应对若干挑战。
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引用次数: 0
The impact of motorways and public transport construction on residents’ satisfaction with neighbourhoods 高速公路和公共交通建设对居民街区满意度的影响
IF 2.4 Q3 TRANSPORTATION Pub Date : 2024-07-08 DOI: 10.1016/j.cstp.2024.101251
Darielle Ramales Corpuz, Milad Ghasri, Azamsadat Hosseini Shoabjareh

Transport infrastructures serve as pathways to employment, amenities, and services, contributing to the economic development of societies and the broader landscape. Development projects are usually measured on economic metrics; however, they can have short-term and long-term impacts on wellbeing due to disruptions during construction and changes in accessibility after construction. This study investigates the impact of transport construction projects on the residents’ satisfaction with surrounding neighbourhoods. This study uses the longitudinal survey of Household Income and Labour Dynamics of Australia (HILDA) from 2002 to 2019 to monitor and model satisfaction with neighbourhoods for residents living in the vicinity of 11 major transport construction projects in Sydney, Australia. The variations in residents’ satisfaction with neighbourhoods are investigated at macro and micro levels. At the macro level, average satisfaction before during and after construction are compared against each other. At the micro level, two random effect ordered logit models are developed to explain satisfaction while controlling for residents’ sociodemographic attributes and major life events. Both highway and underground projects have been shown to improve overall satisfaction among all residents. However, during the construction phase for underground, satisfaction with neighbourhoods tends to decrease. The highway projects exhibit a positive effect on residents even during the construction phase, with a higher positive effect for permanent residents.

交通基础设施是通往就业、便利设施和服务的途径,有助于社会的经济发展和更广泛的景观。开发项目通常以经济指标为衡量标准,但由于施工期间的干扰和施工后交通便利性的变化,这些项目可能会对福利产生短期和长期影响。本研究调查了交通建设项目对周边居民满意度的影响。本研究利用 2002 年至 2019 年期间的澳大利亚家庭收入和劳动力动态(HILDA)纵向调查,对澳大利亚悉尼 11 个主要交通建设项目附近居民的邻里满意度进行监测和建模。研究从宏观和微观两个层面探讨了居民对社区满意度的变化。在宏观层面上,对施工前和施工后的平均满意度进行了比较。在微观层面,建立了两个随机效应有序 Logit 模型来解释满意度,同时控制居民的社会人口属性和主要生活事件。事实证明,公路和地下工程都能提高所有居民的整体满意度。然而,在地下工程的施工阶段,居民对社区的满意度往往会下降。公路项目即使在施工阶段也对居民产生了积极影响,对常住居民的积极影响更大。
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引用次数: 0
Quantifying the effect of driving restrictions on fine particulate matter concentrations with WRF-Chem model: A case study in Kaifeng, China 利用 WRF-Chem 模型量化限行措施对细颗粒物浓度的影响:中国开封案例研究
IF 2.4 Q3 TRANSPORTATION Pub Date : 2024-07-08 DOI: 10.1016/j.cstp.2024.101258
Feng Wang , Haopeng Zhang , Xiaoyang Li , Xutong Ru , Hongquan Song

One of the significant sources of urban air particulate matter (PM2.5 and PM10) has been found to be vehicle exhaust emission. Vehicle restriction measures have been taken to alleviate particulate matter pollution in the world. Here, we quantified the impact of vehicle restriction measures on the PM2.5 concentrations using the Weather Research and Forecasting model with Chemistry (WRF-Chem) in Kaifeng, China. This study set up three different scenarios to simulate the spatiotemporal changes of PM2.5 concentrations in four seasons in 2020. They were no emission reduction (S0), the restriction of two tailing license plate numbers (S1), and the restriction of odd–even tailing numbers of license plates (S2), respectively. In general, the odd–even license plate restriction policy has proven to be more effective than restricting two specific license plate numbers. In scenario S1, the range of PM2.5 concentrations reduction in Kaifeng City was between 0.2% and 1.28%. In scenario S2, the range of PM2.5 concentrations reduction was between 0.98% and 14.42%. The results showed that the effectiveness of vehicle restriction measures varies from season to season, and the effect in summer and winter is better than that in spring and autumn. We suggest that it may be difficult to reduce the PM2.5 concentrations to a great extent if simply reducing the traffic exhaust emissions through motor vehicle restrictions, on the contrary, would lead to the increase of O3 concentration, bringing some other effects. This study can serve as a foundation for the rational development of motor vehicle control strategies and help advance the ongoing improvement of air quality.

汽车尾气排放是城市空气颗粒物(PM2.5 和 PM10)的重要来源之一。世界各国纷纷采取汽车限行措施来缓解颗粒物污染。在此,我们利用中国开封的化学气象研究和预报模型(WRF-Chem)量化了汽车限行措施对 PM2.5 浓度的影响。本研究设定了三种不同的情景来模拟2020年四季PM2.5浓度的时空变化。分别为不减排(S0)、限两尾号(S1)和限奇偶尾号(S2)。总体而言,事实证明奇偶车牌限制政策比限制两个特定车牌号更有效。在方案 S1 中,开封市 PM2.5 浓度的下降范围在 0.2% 到 1.28% 之间。在方案 S2 中,PM2.5 浓度的下降范围在 0.98% 到 14.42% 之间。结果表明,车辆限行措施的效果因季节而异,夏季和冬季的效果优于春季和秋季。我们认为,如果单纯通过机动车限行措施减少交通尾气排放,可能难以大幅度降低 PM2.5 浓度,反而会导致 O3 浓度上升,带来其他一些影响。本研究可作为合理制定机动车控制策略的基础,有助于推进空气质量的持续改善。
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引用次数: 0
An exploratory analysis of factors leading to prevalence of distracted driving behavior in Pakistan 对巴基斯坦分心驾驶行为流行因素的探索性分析
IF 2.4 Q3 TRANSPORTATION Pub Date : 2024-07-08 DOI: 10.1016/j.cstp.2024.101257
Qamar Muneer , Arshad Hussain , Muhammad Asif Khan , Muhammad Faisal Habib , Afaq Khattak

Distracted Driving Behavior is one of the leading factors responsible for road accidents. Using a case study of Pakistan, this study aimed to observe the effect of road type and conditions, trip timing, law enforcement, passenger type, and sociodemographic indicators on distracted driving behavior. The effect of driving experience on distracted driving behavior was also studied as a mediating variable. A questionnaire was prepared, and 501 responses were selected for this study. The PLS-SEM was employed to test the hypotheses of the study. The results showed that all the factors significantly influenced distracted driving behavior except passenger type. Trip timing had the strongest effect, suggesting drivers were more distracted during the daytime, possibly due to the ease of driving enabling environment, followed by significant effects of road type and conditions, age, and law enforcement. However, passenger presence did not significantly impact distracted driving in this study. The results indicate a need for suitable interventions with various stakeholders (policymakers, police, mental health experts, advocates, and community leaders) to raise awareness, change attitudes, and increase risk perception related to distracted driving behavior and its imperilments.

分心驾驶行为是导致道路交通事故的主要因素之一。本研究以巴基斯坦为例,旨在观察道路类型和条件、行程时间、执法、乘客类型和社会人口指标对分心驾驶行为的影响。此外,还研究了驾驶经验作为中介变量对分心驾驶行为的影响。本研究编制了一份调查问卷,并选取了 501 份答卷。采用 PLS-SEM 检验研究假设。结果表明,除乘客类型外,所有因素都对分心驾驶行为有明显影响。行程时间的影响最大,这表明驾驶员在白天更容易分心,这可能是由于易于驾驶的有利环境,其次是道路类型和条件、年龄和执法的显著影响。然而,在本研究中,乘客的存在对分心驾驶没有明显影响。研究结果表明,有必要与各利益相关方(政策制定者、警察、心理健康专家、倡导者和社区领袖)一起采取适当的干预措施,以提高对分心驾驶行为及其危害的认识、改变态度并增强风险意识。
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引用次数: 0
Incorporating equity into transit performance measures: A disaggregated bus route level approach 将公平纳入公交绩效衡量标准:公交线路层面的分类方法
IF 2.4 Q3 TRANSPORTATION Pub Date : 2024-07-03 DOI: 10.1016/j.cstp.2024.101256
Alexander Tabascio , Ignacio Tiznado-Aitken , Christopher Higgins , Steven Farber

Marginalized communities usually experience inadequate public transport services in North America. Within these communities, buses play a vital role in everyday activity participation. Unfortunately, transport services that may advance equity by improving coverage and service for disadvantaged population groups and areas are often overlooked in transit planning since they usually underperform in ridership-based metrics.

To address this problem, the Toronto Transit Commission (TTC) introduced an equity service policy in 2019 to enhance bus services in vulnerable neighbourhoods known as Neighbourhood Improvement Areas (NIAs). This policy involves augmenting observed ridership counts for buses serving NIAs to improve or protect services for these communities. Although this proposed measure can improve bus services in NIAs, its current form might exclude other equity-deserving riders (EDRs) living outside NIAs, increasing their accessibility barriers.

Our study uses quantitative and spatial analytical methods to better understand the equity impacts of this service policy change. We propose moving from the aggregate neighbourhood-based approach using NIAs to a more comprehensive and disaggregated person-based approach. First, we create an alternate method that identifies EDRs at the bus stop level using a fusion of census and travel survey data. We then explore the differences in augmented ridership levels created by the two approaches and evaluate whether the augmented ridership levels are likely to result in meaningful service changes using existing TTC service standards.

We found that 2 out of 3 transit riders in Toronto are equity-deserving, with 72% residing outside NIAs. Our approach reveals increased ridership on routes with many EDRs, which receive minimal augmentation under the NIA-based method. Conversely, if all riders in NIAs are considered EDRs, our approach shows a 19% ridership overestimation equivalent to 35,245 users. Based on these results, we recommend creating a dedicated equity tool with an individual-centric focus, identifying areas with low transit service and high EDR percentages. This tool could then be integrated as an equity perspective into annual bus service planning.

在北美,边缘化社区通常面临公共交通服务不足的问题。在这些社区内,公共汽车在日常活动参与中发挥着至关重要的作用。遗憾的是,通过改善弱势群体和地区的覆盖面和服务来促进公平的交通服务往往在公交规划中被忽视,因为这些服务通常在基于乘客量的指标上表现不佳。为解决这一问题,多伦多公交委员会(TTC)于 2019 年推出了一项公平服务政策,以加强被称为 "邻里改善区"(NIAs)的弱势社区的公交服务。该政策包括增加对服务于 NIAs 的公交车的乘客数量观察,以改善或保护这些社区的服务。虽然这项建议措施可以改善 NIAs 的公交服务,但其目前的形式可能会将居住在 NIAs 以外的其他需要公平的乘客(EDRs)排除在外,从而增加他们的出行障碍。我们建议从以邻里为基础、使用 NIAs 的综合方法转向更全面、更细分的以人为本的方法。首先,我们创建了一种替代方法,利用人口普查和旅行调查数据的融合,在公交站点层面识别 EDR。然后,我们探讨了两种方法所产生的新增乘客量的差异,并评估了新增乘客量是否有可能导致使用现有的 TTC 服务标准进行有意义的服务变更。我们发现,多伦多每 3 名公交乘客中就有 2 名是需要公平对待的,其中 72% 的人居住在 NIA 以外。我们的方法显示,在有许多紧急乘客登记册的线路上,乘客人数有所增加,而根据基于国家影响评估的方法,这些线路的乘客人数增加极少。相反,如果将 NIA 中的所有乘客都视为 EDR,我们的方法显示乘客量高估了 19%,相当于 35 245 名用户。基于这些结果,我们建议创建一个专门的公平工具,以个人为中心,识别公交服务水平低和 EDR 百分比高的地区。然后,该工具可作为公平视角纳入年度公交服务规划。
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引用次数: 0
User satisfaction-based prioritisation of attributes influencing walk accessibility to metro stations: A multi-attribute decision making approach 基于用户满意度对影响地铁站步行可达性的属性进行优先排序:多属性决策方法
IF 2.4 Q3 TRANSPORTATION Pub Date : 2024-06-29 DOI: 10.1016/j.cstp.2024.101255
Manaswinee Kar , Shubhajit Sadhukhan , Manoranjan Parida

The current study suggests a user satisfaction-based approach to prioritise attributes influencing walk accessibility to metro stations in Delhi, India. The target user group of the present study includes metro users who access the metro stations by walking. Responses from 466 such users are collected using smart tablets through face-to-face interviews. User satisfaction ratings towards twelve walk accessibility influencing attributes identified in the study are recorded on a six-point Likert-type ordinal rating scale. The study engages a comparative Multi-Attribute Decision Making (MADM) approach comprising three prominent techniques, viz., Relative to an Identified Distribution Integral Transformation (RIDIT), Grey Relational Analysis (GRA) and Technique for Order Preference by Similarity to the Ideal Solution (TOPSIS) for analysing the collected perception database and prioritising the attributes based on user satisfaction. The study outcomes identify ‘Extreme Weather Conditions’, ‘Illumination’, ‘Universal Design Considerations’ and ‘Safety and Security’ as the poorly performing attributes based on user perception and require immediate interventions. Spearman’s rank-order correlation analysis is performed to compare the attribute priority ranks derived from the three methods. The research findings can be useful to transportation planners, policymakers and enforcement officials in formulating and implementing strategies to allocate funds based on user-identified priorities for improving walk accessibility to metro stations.

本研究建议采用基于用户满意度的方法,对影响步行到达印度德里地铁站的属性进行优先排序。本研究的目标用户群包括步行前往地铁站的地铁用户。通过面对面访谈,使用智能平板电脑收集了 466 名此类用户的反馈。用户对研究中确定的 12 个步行可达性影响属性的满意度评分采用六点李克特(Likert)型序数评分量表进行记录。研究采用多属性比较决策(MADM)方法,包括三种主要技术,即相对于识别分布积分变换(RIDIT)、灰色关系分析(GRA)和与理想解决方案相似度排序偏好技术(TOPSIS),对收集的感知数据库进行分析,并根据用户满意度确定属性的优先次序。研究结果表明,"极端天气条件"、"照明"、"通用设计考虑 "和 "安全和安保 "是用户感知表现较差的属性,需要立即采取干预措施。通过斯皮尔曼秩相关分析,对三种方法得出的属性优先级进行了比较。研究结果对交通规划人员、政策制定者和执法人员很有帮助,有助于他们制定和实施战略,根据用户确定的优先级分配资金,改善地铁站的步行可达性。
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Case Studies on Transport Policy
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