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HS2 railway, UK – why the country needs it Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2021-01-04 Alison Munro
High Speed Two (HS2) will be the new backbone of the UK rail network, connecting eight out of ten of the largest cities. Cities are drivers of economic growth, but those in the Midlands and the North are held back by poor connectivity. HS2 will help to rebalance the economy. Demand for rail travel has more than doubled over the past 20 years, and continues to grow. Rail lines serving London, Birmingham
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HS2 railway, UK: route optioneering Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2021-01-04 Andrew McNaughton; Nick Banks
The company HS2 Ltd was set up by the UK government in January 2009 with an initial brief to report on options for High Speed Two, a high-speed railway between London and the West Midlands. This was to include access to London and Birmingham city centres, but with the potential for future extension northwards. Options were also required for intermediate stations and connections to the Great Western
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HS2 railway, UK – route development to hybrid bill: technical and operational requirements Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2021-01-04 Tim Smart; John Irwin
The hybrid bill for the first phase of the UK's High Speed Two (HS2) high-speed railway (London to the West Midlands) was submitted in November 2013. This paper outlines the general principles and processes developed for the engineering design over a 22-month period that supported the phase one HS2 hybrid bill. The engineering design and construction planning undertaken during this period enabled the
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HS2 railway, UK – route development to the hybrid bill: the environmental statement Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2021-01-04 Christian Bonard; Caroline Richards; Arun Mudiganti
The environmental statement (ES) for the first phase of the UK's High Speed Two high-speed railway (London to West Midlands) was submitted with the hybrid bill for the project in November 2013. It described the phase one scheme both during construction and operation, detailed the main alternatives considered and reported the likely significant environmental effects and proposed mitigation to avoid
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HS2 railway, UK – route development to hybrid bill: a collaborative approach Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2021-01-04 I. C. Blight
In January 2012 the UK government announced that powers would be sought for a London-to-West Midlands high-speed rail line based on a refined version of a 220 km route that was consulted upon in 2011. At the same time, High Speed Two (HS2) Ltd, the agency responsible for implementing the project, appointed a development partner for the London-to-West Midlands phase (phase 1) to assist HS2 and to manage
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HS2 railway, UK – route development to hybrid bill: consultation Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2021-01-04 Peter Miller
Since 2009 the promoter of the UK's High Speed Two (HS2) railway has listened to others’ views on development of the first London-to-West Midlands phase. Initial scheme development required time to think and determine the best response to the remit, working in confidence with key stakeholders. Through the early part of 2011 a major national consultation was undertaken on the strategy for HS2, the approach
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HS2 railway, UK – the hybrid bill Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2021-01-04 Jan Podkolinski
The hybrid bill for the London-to-West Midlands phase of the UK's High Speed Two (HS2) high-speed railway weighed half a tonne, and was the largest ever deposited in parliament. Preparation, to strict requirements of parliament's standing orders, took 22 months, using a large part of the country's engineering and environmental resources, and was completed to time and on budget.
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HS2 railway, UK – the parliamentary process to Royal Assent Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-12-04 Lucy Lagerweij; Simon Knight
The parliamentary process for a hybrid bill incorporates aspects of both public and private bill procedures. The key differences from the process followed by normal government (i.e. public) legislation are a consultation on the environmental statement and select committee (SC) stages in both the House of Commons and the House of Lords. For the bulk of its time in parliament, which typically spans a
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Analytical geometric design of bicycle paths Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-11-17 Zain Ul-Abdin; Sarmad Zaman Rajper; Ken Schotte; Pieter De Winne; Hans De Backer
An advanced design classification system for bicycle paths, based on geometric features and force equilibrium, can pave the way for improved bicycle safety, accident prevention and the development of design guidelines. A design and classification system does exist for bicycle paths, but the number of accidents has led to ambivalence about its validity and effectiveness. In addition, a universally accepted
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Air transportation delay propagation analysis with uncertainty in coloured–timed Petri nets Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-11-17 Quan Shao; Chenchen Xu
In the transport management of aviation networks, uncertain factors and delay propagation are two main sources of flight delays. However, the impacts of uncertainty and the degree of delays are difficult to calculate empirically in daily operations. In this paper, a novel delay propagation model is introduced utilising the mathematical modelling tool coloured–timed Petri nets. This model enables descriptions
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Fast falling weight deflectometer as new tool to perform accelerated pavement testing Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-11-17 Marco Francesconi; Martyn Stonecliffe-Jones; Sadaf Khosravifar; Mario Manosalvas-Paredes; Albert Navarro Comes; Per Ullidtz
The development of the falling weight deflectometer (FWD) in the late 1970s made it possible to determine quickly the in situ modulus and critical stresses/strains in pavement structures, which are generally considered the most important input for the ‘mechanistic’ part of the mechanistic–empirical pavement design method. In 2015, the newly designed FastFWD was released and provided the opportunity
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Effects of crack status on stability of longitudinally coupled prefabricated track slab Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-11-17 Zui Chen; Xueyi Liu; Jieling Xiao; Wei Li; Chunguang Zhao
Through analysing the stress and deformation of a longitudinally coupled prefabricated track slab (LCPTS) with cracks at high temperature, an analysis model for the stability of LCPTS with cracks was established based on the finite-element method and was tested by a scale model on-site. The effects of crack status on the stability of track slabs under the action of a temperature rise were studied through
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Numerical investigation of railway transition zones stiffened with auxiliary rails Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-09-14 Morteza Esmaeili; Hamidreza Heydari-Noghabi; Mehdi Kamali
Culverts and bridges are the most common areas on railway lines where abrupt changes of track stiffness can occur. Using auxiliary rails in the transition zone is one option for gradually increasing track stiffness. The study reported in this paper investigated this issue by means of finite-element modelling. A ballasted track with a concrete culvert on the Tehran–Isfahan high-speed railway line in
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Prospects in elongation of railway transition curves Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-09-14 Piotr Chrostowski; Wladyslaw Koc; Katarzyna Palikowska
The paper presents an analysis of the elongation of transition curves in relation to railway track alignment correction and modernisation. The analysis is based on numerical computations for a wide range of parameters describing a typical railway geometrical layout with transition curves. The differences between the horizontal ordinates of the existing layout and the layout with the elongated transition
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Calibration of traffic stream models on high-speed urban roads with heterogeneous traffic Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-09-14 Pallav Kumar; Shriniwas Arkatkar; Gaurang Joshi
The basic objective of this work was to identify best-fitting traffic stream models for the varying traffic flows on high-speed urban roads under heterogeneous traffic in India. To this end, traffic data on ten-lane, eight-lane and six-lane divided roadways were collected. An iterative process was developed to fit traffic stream models by optimising constant parameters using optimisation techniques
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Examining failure rate dynamics to estimate capacity of bus rapid transit system corridor Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-09-14 Ankit Kathuria; Chalumuri Ravi Sekhar; Manoranjan Parida
Bus transit capacities are of two types: operational capacity (OC) and maximum capacity (MC). The OC is estimated based on the empirical failure rate (FR), whereas the MC is estimated considering a 25% maximum FR. The hypothesis of this study is that the maximum FR for a bus rapid transit system (BRTS) station would be more than 25%. The OC for a corridor of the BRTS in Ahmedabad, India was first estimated
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Multi-criteria decision-based safety evaluation using microsimulation Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-09-14 Osman Ünsal Bayrak; Halim Ferit Bayata
The choice of intersection type in a road network is one of the most important decisions to be made in transportation engineering. Capacity and level of service are the two main factors considered in the type of intersection design, but safety and economy should also be taken into account when determining the intersection type since these are equally important. A number of parameters can be used to
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Book review Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-09-14 Chris Polack
Switch & Crossing Maintenance
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Evaluation of a novel road-based landslide early warning system Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-09-03 Mike G. Winter; Neale Kinnear; Shaun Helman
Novel landslide early-warning signs for were introduced on the A83 strategic road incorporating a standard rockfall/landslide red warning triangle, switchable flashing lights (‘wig-wags’), and a su...
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Road Safety Resource Allocation using the Cost-Effectiveness Approach; Case Study in Iran Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-09-02 Hamid Reza Behnood; Sahar Pino
The road safety resource allocation determines the extent to which the combined alternatives of remedial actions can be effective. In this study, the economic appraisal was fulfilled using cost-eff...
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Instrumentation of Heavy-duty Asphalt Slabs for Wheel tracking Experiment Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-08-10 Danial Moazami; Ratnasamy Muniandy
Laboratory testing equipment for asphalt mixtures with three different functionalities is introduced. The rotary compactor and wheel tracker (RCWT) not only achieves realistic contact areas of actu...
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Performance Augmentation of Asphalt Binder with Multi Walled Carbon Nano Tubes Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-07-27 Waqas Anwar; Naveed Ahmad; Anwar Khitab; Muhammad Faizan; Seemab Tayyab; Maria Saeed; Muhammad Imran
This aim of this research was to enhance the performance of asphalt binder using multi-walled carbon nanotubes (MWCNTs) and wet mixing. Five asphaltic binder compositions were prepared with varying...
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Microsimulation based framework to analyse urban signalized intersection under mixed traffic environment Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-07-17 Satyajit Mondal; Ankit Gupta
The microscopic traffic simulation technique has become a powerful tool to study the complex traffic system when analytical or empirical approaches cannot adequately and accurately define the respo...
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Stability and Mechanism of Speed Distribution in Ultra-narrow Vehicle Lane Traffic Flow Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-07-16 Baorui Han; Wanlu Song; Alireza Khani; Xiaomei Yu; Jiangsu Zhai
Reducing road width can not only save land, but it can also increase traffic safety. However, the traffic flow mechanism due to lane narrowing is not clear and car-following behaviour may also chan...
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Balancing railway network availability and engineering access Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-07-14 John Armstrong; John Preston
As traffic on Britain's railways has grown, the system is approaching capacity and moving towards 24/7 operation. This increases wear and tear, and reduces access for maintenance, renewal and enhancement. Increasing costs of renewals and enhancements are also questioned, amid funding scarcity. Alongside predictive and preventive maintenance, improved planning and implementation of renewals and enhancements
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Mitigation of ancient coal mining hazards to overhead line equipment structures Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-07-14 Aliasger E. Haiderali
Subsidence and collapse of structures supporting overhead line equipment (OLE) due to legacy coal mining can be catastrophic during both the construction and operational phases, causing damage to construction plant, injuries and fatalities to the construction and maintenance workforce, failure of the track and disruption to the operational railway. When applied to linear railway schemes spanning considerable
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Ground risk and rail asset management in East Anglia Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-07-14 Ian Payne; Lee Clifton; Simon Holt; Isaac Griffiths; David Wadesmith
The Network Rail Anglia region has 1091 km of earthworks, many of which are steep-sided embankments constructed of locally won fill materials in Victorian times. In order to extend the serviceable lifespan and to ensure the safety of the public with the ever-increasing demand on railway infrastructure, understanding the geological and geotechnical risks is of critical importance. Approaches to control
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The application of track deflection measurements made by video gauge Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-07-14 Maria Gallou; Matthew Frost; Ashraf El-Hamalawi; Chris Hardwick
This paper presents direct track deflection data measured using a video gauge (VG) (a digital image correlation (DIC) method) to determine track stiffness characteristics remotely. Two cases are discussed. First, the deflection performance of two novel ballastless trackforms are coupled with an analytical model to assess their stiffness properties for known train loads. Second, the performance of a
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West Anglia main line upgrade – a geotechnical perspective Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-07-14 Vincent Nyambayo; Naveena Chandrashekharaiah; Chris Gray; Danielle Allum; Evans Koka; Michael Asare
London is a megacity with a population of just under 10 million people that is increasing. Investment in major infrastructure projects is required to cope with this growth, including the upgrade of existing rail infrastructure. The West Anglia main line project in north London involves upgrading the railway network to meet the demands spawned by the regeneration of the Lea Valley hinterland, catalysed
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Geospatial and temporal data mining to combine railway low adhesion and rail defect data Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-07-14 Andrew D. Arnall; David I. Fletcher; Roger Lewis
Rolling contact fatigue (RCF) damage to rails and low adhesion at the rail–wheel interface remain significant problems in maintaining railway performance, fully utilising network capacity and reducing running costs. A novel approach has been developed to understand these problems through analysis of data on RCF and low-adhesion incidents from the UK rail network. This augments understanding of specific
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Sustainability of high-speed rail: a comparative study Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-07-14 Inara Watson; Amer Ali; Ali Bayyati
High-speed railways can move passengers and goods cost-effectively and sustainably. However, there is a need to consider the objectives of high-speed rail (HSR) systems and to analyse eventual public benefits in order to minimise economic risk. Currently, there are three major HSR systems in development around the world – Rail Baltica in northern Europe, California High-Speed Rail (CAHSR) in the USA
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A worldwide, machine-generated airfield database: Can we beat hand-curated datasets? Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-07-07 Sebastian Wandelt; Xiaoqian Sun
Throughout the last decade, the rise of open data in research has led to the release of many scientific datasets. Air transportation data are of particular interest given their high impact on migra...
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Fatigue Life of Polypropylene Modified Crushed Brick Asphalt Mix: Analysis and Prediction Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-07-03 Jince P. Zachariah; Partha Pratim Sarkar; Manish Pal
Fatigue failure is a major problem in pavement layers. When using non-conventional aggregate as a replacement for natural stone aggregate, the probability of pavement distress is high. The fatigue ...
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Evaluation of Urban Rail Transit Operation Considering Satisfaction of Riders & Operators Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-07-01 Xiaopei Cai; Huimin Yang; Yongxin Gao
Travel satisfaction expectation for urban rail transit increased with the continuous increasing development of urban rail transit system. Operators provide different transit service by timetable re...
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Identifying hazardous road sections using a fuzzy expert system Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-05-18 Chi Zhang; Xiongying Ma; Xiaomin Yan; Liang Meng; Chen Qi; Min Zhang
To identify hazardous sections of newly built mountainous highways, decision-makers require assistance to determine the sections that may pose risks to road users, thereby enhancing the level of road safety management and capital utilisation efficiency. In this research, traffic accident economic losses were used as evaluation indices to characterise 30 horizontally curved sections of roadways. These
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A Markov switching regression analysis of freeway crash risks considering spatial effect Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-05-18 Chengcheng Xu; Zhibin Li; Zhao Yang
A Markov switching logit model with spatial dependencies for real-time crash risk assessment is proposed, with the purpose of identifying hazardous traffic-flow conditions with high crash potential. The Markov switching process assumes that freeway segments can switch between two unobserved safety states over time, and that parameter estimates may vary between these two states. The spatial simultaneous
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Analysing the effect of foggy weather on drivers’ speed choice in two-lane highways Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-05-18 Mehdi Zolali; Babak Mirbaha
Foggy weather can reduce visibility for drivers and one of the main consequences of this condition can be the change in behaviour regarding choice of speed, which will vary from driver to driver owing to their varying personal and socio-economic characteristics and driving experience. The aim of this study is to assess the effects of adverse weather conditions on speed-choice behaviour of drivers on
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An analytical study of the characteristics of the traffic flow in Jazan region, Saudi Arabia Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-05-18 Muhammad Mubaraki
The focus of this study was to explore the characteristics of traffic flow as well the behaviour of drivers on the roads and their relationship with accidents in the Jazan region. Data collected over a span of 4 years have been used to achieve the objectives of the study. The most important results were that 85% of the accidents in the sample were attributable to drivers under the age of 40 and the
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Saw cutting (or not) of joint spacing in roller-compacted concrete pavement Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-05-18 Tetsya Sok; Seong Jae Hong; Young Kyu Kim; Seung Woo Lee
Natural cracking in unjointed roller-compacted concrete pavement (RCCP) may exhibit poor load transfer efficiency (LTE) across the cracks, leading to the occurrence of faulting, further cracking and excessive deflection, and a dramatic decrease in pavement service life. The aim of this study is to enable pavement designers to make the right decision as to whether or not to saw cut joints for RCCP.
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Optimum design of speed hump based on empirical data Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-06-22 Satish Chandra; Chalumuri Ravi Sekhar; Mahmood Ruhina Begum
Traffic calming techniques are extensively used as safety tools to reduce the speed of motorised vehicles along any type of paved road. The objective of this study is to evaluate the efficacy of is...
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Probabilistic Speed-flow Models in Highway Construction Work Zones Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-06-05 Jinxian Weng; Qiang Chen
Since variations in exogenous factors could cause unpredictable fluctuations/variability of the speed–flow relationship, the aim of this study was to develop probabilistic speed–flow relationships ...
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Calculating Dynamic Thresholds for Critical Time to Collision as a Safety Measure Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-05-26 Navid Nadimi; Seyed Saber NaserAlavi; Morteza Asadamraji
Surrogate safety measures have been recognised as suitable tools for a warning strategy. As one such measure, the time to collision (TTC) is the time remaining to a collision if the collision cours...
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A unified artificial neural network model for asphalt pavement distress prediction Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-05-01 Maher Mahmood; Uthayasooriyan Anuraj; Senthan Mathavan; Mujib Rahman
Most performance prediction models for asphalt pavements are either based on laboratory data or numerical distress data collected from field surveys. However, these models do not fully reflect the ...
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Gender mainstreaming in the Nepalese rural transport sector: working towards transformative change Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-04-01 Jun Dongol Hada
Nepal is progressive in mainstreaming gender equality and social inclusion in the rural transport sector. Research studies were conducted using qualitative methods to assess the extent to which peo...
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Transforming gender relations in Nepal's trail bridge programme: policies and practice Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-04-01 Mona Sherpa; Ansu Tumbahangfe; Niraj Acharya; Devendra Chhetry; Indu Tuladhar; Jane Carter
This paper considers the extent to which the full and equal rights guaranteed in Nepal's constitution are reflected in the government's trail bridge programme (TBP). A review of the legal provision...
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Implications of different road pricing schemes in urban areas: a case study for Budapest Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-03-30 Mohammad Maghrour Zefreh; Domokos Esztergar-Kiss; Adam Torok
Road pricing is an efficient instrument to regulate use of roads. In Budapest, Hungary, only cordon pricing has been investigated in detail. This paper reports on a study of the implications of app...
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Effect of Centrifuged Latex on Moisture Damage of Hot Mix Asphalt with Brick as Aggregate Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-02-25 Machavarapu Suresh; Manish Pal
First-class bricks and waste (i.e. overburnt) bricks can be used as a substitute for stone aggregates in asphalt concrete. However, the high porosity of brick aggregate can result in moisture damag...
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Influence of Mix Properties of Concrete Slabs on Performance of Airport Pavements Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-02-19 Hae-Won Park; Dong-Hyuk Kim; Jong-Hoon Lee; Woo-Sung Yum; Jin-Hoon Jeong
Improved criteria for the material properties and mix proportions of concrete slabs to enhance the performance of concrete pavements at Incheon international airport (IA) in the Republic of Korea a...
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Proposed interventions to reduce noxious air pollution at Birmingham New Street Station Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2020-02-18 John E. Thornes; Alice Hickman; Chris Baker; Xiaoming Cai; Juana Maria Delgado-Saborit; Azhar Quaiyoom
Birmingham New Street railway station in the UK has recently undergone a substantial redevelopment at a cost of more than £600 million. However, the unique underground tunnel geography of the platf...
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Analyzing the Drivers’ Stop and Go Decision in Dilemma Zones at Signalized Intersections: A case study of Qazvin Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2019-12-02 Alireza Abdolrazaghi; Babak Mirbaha; Amir A. Rassafi
Drivers usually experience dilemmas in stopping or crossing at the end of a green phase or the first seconds of a red phase. These decisions could be the function of drivers’ behaviour. The severit...
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Exploring Impact of Service Zones on Passenger Rejection Behavior of Bangkok Taxi Drivers Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2019-11-15 Prapatsorn Atsawatheerasathien; Kunnawee Kanitpong
Passenger rejection by taxi dirvers in Bangkok, Thailand has become a serious problem, especially during rush hours. In this work, the factors affecting the passenger-rejection behaviour of Bangkok...
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Temperature conversion formulae for asphalt pavement design using the Superpave method Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2019-10-30 Haitao Zhang; Ying Wang; Qiangqiang Liu; Dandan Gao; Weiqun You; Zuoqiang Liu
Traditional penetration indices cannot accurately evaluate the performance of asphalt binders at high and low temperatures. A study was therefore undertaken to determine temperature conversion form...
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Simulational Analysis of Two Controllers for Variable Speed Limit Control Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2019-10-28 Edouard Ivanjko; Krešimir Kušić; Martin Gregurić
Variable speed limit control (VSLC) is one of the services from the domain of intelligent transport systems applied to alleviate or prevent congestion on urban motorways. The main idea of VSLC is t...
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Mega elliptical roundabouts versus grade separation interchange Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2019-10-28 Ahmed I. Z. Mohamed; Yusheng Ci; Yiqiu Tan
The mega elliptical roundabout is a new idea for intersections on rural multilane highways in the form of an elongated ellipse. Basically, there are no procedures or guidelines for designing the me...
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Applying Markov Decision Process for Adaptive Dynamic Route Selection Model Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2019-10-23 Ali Edrisi; Koosha Bagherzadeh; Ali Nadi
Routing technologies have long been available in many automobiles and smart phones, but the nearly random nature of traffic on road networks has always encouraged further efforts to improve the rel...
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Metro emergency resource distribution model Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2019-10-10 Zhijie Yang
A novel station-level vulnerability algorithm that takes both passenger flow and network topology into account to reveal critical stations in a metro network is proposed. A vulnerability-based emer...
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Effect of Mixing Polypropylene Fibre in Reinforcing Non-Conventional Bituminous Concrete Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2019-10-01 Jince P. Zachariah; Partha Pratim Sarkar; Manish Pal
The high demand for natural stone aggregate (NSA) in infrastructure development is having an alarming ecological impact. The study of alternative materials thus holds high research interest in term...
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Comparative analysis of transport modes for regional mobility: a case study Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2019-01-23 Nicholas Beresford Taylor
Limits to mobility are imposed by geography and the speed, access, energy and ergonomic constraints of travel modes, which cannot be manipulated arbitrarily by design or technology. Achieving ‘sust...
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Measuring pavement skid resistance: comparing manually pushed and trailer-mounted devices Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2018-11-07 James Stokes; Ahmed I. Nassar; Michael Wright
In 2009, a manually pushed device was developed to measure the dry and wet skid resistance of pavement surfaces at walking pace. The device is based on the same principle as a larger trailer-mounte...
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Briefing: Glasgow motorway system – geometric design and outcome Proc. Inst. Civ. Eng. Transp. (IF 1.099) Pub Date : 2018-08-01 John M. Cullen; Stuart J. M. Baird
In 1963, the corporation of the city of Glasgow approved plans for 96 km of motorways. To date, 2017, 48 km have been constructed. These are on a grand scale, with 5 km of dual five-lane, 2 km of dual four-lane and over 25 km of dual three-lane motorways. Traffic flows as high as 198 000 vehicles/d have been recorded. Savings of time, accidents and fuel have been realised as a result. The main focus