Khaled Al-Sahili

Khaled Al-Sahili
An-Najah National University · Department of Civil Engineering

PhD Transportation Engineering and Planning

About

58
Publications
23,548
Reads
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193
Citations
Introduction
Hold a PhD in Transportation Engineering and Planning from Michigan State University, USA. Research interests are: Traffic Safety Traffic Modeling Traffic Operations Transportation Planning Public Transport Transportation Policies Strategic Planning Teaching undergraduate and graduate courses of Transportation Engineering including Highway Geometry Traffic Engineering Traffic Operation Pavement Design Transportation Facilities Urban Transportation Planning Traffic Simulation
Additional affiliations
August 2014 - August 2022
An-Najah National University
Position
  • Dean
August 2000 - September 2014
An-Najah National University
Position
  • Director
September 1999 - April 2022
An-Najah National University
Position
  • Full Time Faculty Member,
Description
  • Teaching graduate and undergraduate courses and supervising students.

Publications

Publications (58)
Article
Full-text available
In this research, a novel design and operation of solar-based charging system for battery vehicle for a 50 km run is proposed. The proposal is aimed at replacing 110 existing diesel vehicles with 39 electric buses. Several operation scenarios for the charging stations are proposed and analyzed. Scenarios include two different battery charging metho...
Article
Full-text available
Universities play an essential role in spreading climate change awareness. However, slight information on climate change and environmental issues had been integrated into the curricula. Moreover, minimal research had been carried out to understand university role in spreading awareness, and students level of awareness and daily behaviour towards cl...
Article
The increasing interest in sustainable development has underlined the importance of accessibility as a key indicator to assess Public Transport (PT) investments. In several developing countries, measuring PT accessibility has been limited although technical tools are available. This study outlines a proposed methodology for assessing accessibility...
Article
Full-text available
Road crashes are problems facing the transportation sector. Crash data in many countries are available only for the past 10 to 20 years, which makes it difficult to determine whether the data are sufficient to establish reasonable and accurate prediction rates. In this study, the effect of sample size (number of years used to develop a prediction m...
Preprint
Road crashes are problems facing the transportation sector. Crash data in many countries is available only for the past 10 to 20 years, which makes it difficult to determine whether the data are sufficient to establish reasonable and accurate prediction rates. In this study, the effect of sample size (number of years used to develop a prediction mo...
Preprint
The increasing interest in sustainable development has underlined the importance of accessibility as a key indicator to assess Public Transport (PT) investments. In several developing countries, measuring PT accessibility has been limited although technical tools are available. This study outlines a proposed methodology for assessing accessibility...
Article
Full-text available
During the last two decades, the development of sustainable transportation systems has been highlighted as a key element in solving environmental problems related to climate change and impacts on greenhouse gases. Globally, the transportation sector has become one of the main contributors to these environmental problems. Thus, the environmental imp...
Article
Full-text available
During the last two decades, problems related to high-energy consumption and greenhouse gas (GHG) emissions by the transportation sector have arisen. Therefore, several alternatives have been investigated, in order to reduce the dependence on the conventional fuels that are used by land transportation modes. One of these promising alternatives is t...
Article
The paper presents a national profile on traffic safety for the period 1970 to 2015, which is utilized to understand traffic safety in Palestine. Despite the difficulties in obtaining data from three different authorities, due to the complicated political conditions, national traffic safety trends have been produced. The numbers of crashes and fata...
Conference Paper
Safety is one of the most important concerns in transportation. Due to the lack of safety studies for fright transport sector in Palestine, this study was initiated. This research aims to evaluate the current situation in terms of safety aspects for the Palestinian freight transport sector through studying the crashes involving heavy good vehicles...
Conference Paper
Full-text available
Transportation infrastructures nowadays are subject to significant vulnerabilities including the escalating threats of natural hazards, which have the potential to strike any geographical location with or without warning. They are considered one of the critical infrastructure systems as they constitute the backbone of any community, which provides...
Conference Paper
Developed countries pay great attention to Public transport (PT), their development and evaluation as it is one of the bases of success for that nation. In the West Bank (WB), the PT is generally neglected and worn out. There is no periodic study about the quality of the services provided and the passengers’ satisfaction and their needs. Despite of...
Conference Paper
Full-text available
Pedestrians are a vulnerable group in terms of road safety. Studies in Nablus City showed a high percentage of pedestrian crashes. The objective of this research is to draw a detailed profile of pedestrian crashes in Nablus City, Palestine. Road crash data involving pedestrians for five years (2012-2016) were collected from Nablus Traffic Police De...
Article
Full-text available
Old and historic towns form a national and economic wealth for the country, and the transport system of vehicles and pedestrians are essentials in this system because of their vital role in developing the living conditions inside the town. This study aims to set actions for developing the transport system in Nablus Old City, Palestine. Field survey...
Conference Paper
Full-text available
تحتل الدول العربية عموما موقعا متأخرا على صعيد السلامة المرورية على مستوى العالم. لذا لا بد من إيلاء موضوع النهوض بواقع السلامة المرورية اهتماما خاصا من قبل الدول العربية، رغم الجهود التي تبذل للحد من وقوع الحوادث المرورية وتخيف خطورتها. ولهذا الغرض، فإن الورقة تتناول تأسيس برامج وطنية للسلامة المرورية (Traffic Safety Program)، والتي تعتبر حجر الزا...
Article
This study investigates the effect of geometric design consistency on road safety in the West Bank. Studies have shown that operating speed, vehicle stability, alignment indices, and driver’s workload are the common consistency measures that might affect safety. A total of 118-km two-lane rural highways in the West Bank, Palestine, were studied bas...
Article
Full-text available
Trip generation is a basic component of transportation planning and plays a key role in conducting Transportation Impact Studies. In Palestine, trip generation rates are not yet established and Transportation Impact Studies for new developments are not yet adopted. This research aims to establish local trip generation rates for major land uses. Fi...
Article
Crash prediction models (CPMs) are important tools to predict the safety performance of highways based on their operational and geometric characteristics. Most of these models use geometric design characteristics to predict the number of crashes. However, few studies have identified the effectiveness of geometric design consistency measures in expl...
Conference Paper
Full-text available
The paper presents a national profile on traffic safety for the period 1970 to 2015, which is utilized to understand traffic safety in Palestine. Despite the difficulties in obtaining data from three different authorities, due to the complicated political conditions, national traffic safety trends have been produced. The numbers of crashes and fata...
Conference Paper
This research investigates a detailed profile of pedestrian traffic crashes in Nablus Governorate. Traffic crash records from the Police Department were collected for years 2012 – 2016. Pedestrian crashes constituted approximately 20 percent of all crashes in Nablus, which is high. The average annual pedestrian injuries were 280. The highest percen...
Article
Estimating parking demand in Palestine requires more oriented studies towards parking generation to enrich transportation planning, design, and management. Using regional or international models and rates of parking demand may not be appropriate for Palestine. This research is conducted to establish a reference for provision of parking supply for t...
Article
Full-text available
Nablus occupies a high level among Palestinian Governorates in terms of traffic crash frequency and rate. The traffic safety system and program in Palestine, including Nablus city is weak and needs much improvement. This research aims to study the reality of traffic safety conditions at selected locations in the city of Nablus and to recommend area...
Thesis
Full-text available
The objectives of this study are to investigate and quantify the relationship between design consistency and road safety for two-lane highways in the West Bank. This study produced speed prediction method using real time traffic speed data obtained from Google Earth maps, which were used to estimate the 85th percentile speed along an alignment that...
Thesis
Full-text available
Nablus occupies the second level among the Palestinian Governorates for the frequency of traffic crashes, while it was the first regarding the number of injuries resulting from traffic crashes during the years of this research which are 2009, 2010, and 2011. This research aims to study the reality of traffic safety conditions at selected locations...
Conference Paper
Full-text available
The Nablus – Al-Bathan Road was widened, reconstructed and rehabilitated in 2009 by Nablus Public Works and Housing Directorate (PWHD-Nablus). Between 2010 and 2012 and based on observations by PWHD-Nablus, there were some road defects in several places and especially at Station 2+100. Some minor remediations were carried out to fix these defects....
Thesis
This thesis generally, aims to apply the Superpave system in West Bank regions. This system was developed in the U.S.A during period 1987- 1993. The temperature data for West Bank regions was obtained from Directorate of Meteorology at the Ministry of Transportation. The latitude for each city was obtained from geographical maps. The analysis of da...
Thesis
Full-text available
One of the stated objectives of various international development organizations is “to reduce poverty through sustainable economic development.”Therefore, the question is how can transport systems best contribute to poverty alleviation? There are no direct and easy answers for this question. There are considerable changes in the transport system op...
Conference Paper
Full-text available
Over the past years, limited efforts were applied to improving traffic safety in Palestinian cities. Therefore, establishing a traffic safety program is essential to achieving this purpose. Since the eruption of the Intifada in 2000, traffic crash reporting and recording system suffered serious neglect. Various forms are used for recording crashes...
Article
Full-text available
The Israeli authorities imposed several measures and restrictions on movement of people and goods within the Palestinian road network since the eruption of the Palestinian uprising in September 2000. This study aims to analyze these patterns and their impact on the transportation sector in the West Bank, to provide scientific documentation of these
Conference Paper
Full-text available
Through the last decade, the infrastructure sectors including transportation faced several challenges with respect to the construction and rehabilitation of proper facilities, and the establishment of institutions to carry out the burden of the sector. A large portion of the road network in the Palestinian territories has been blocked by Israeli ph...
Thesis
Full-text available
The distribution and planning of public services is considered one of the major objectives of city planning due to its direct relation with serving residents, meeting their needs, and their accessibility to these services. The Palestinian cities in general and Nablus city in particular are suffering from the random distribution of public services w...
Thesis
Full-text available
Transportation services provided in Palestine are inadequate to satisfy both the current and increasing demand for transportation. Due to the increasing limitation of spaces and resources in most cities, there has been a growing trend in the management of the existing traffic system rather than building new facilities. Traffic management is a low c...
Thesis
Full-text available
There is a lack of urban and transportation planning in Jenin City. This study addresses the short-term planning for the transportation systems in Jenin City to reach at appropriate solutions for the transportation problems in the city. In addition, the study addresses other detailed objectives for the various transportation systems in the city. Th...
Conference Paper
Full-text available
This paper presents part of the findings of the World Bank sponsored study updating conditions of the transport sector in the Palestinian territories. This study focuses on freight transport; conditions and needed development programs to enable it to play its role in the economy of the upcoming Palestinian state. Freight transport is currently road...
Conference Paper
Full-text available
This paper presents part of the findings of the World Bank sponsored study updating conditions of the transport sector in the Palestinian territories. This study focuses on freight transport; conditions and needed development programs to enable it to play its role in the economy of the upcoming Palestinian state. Freight transport is currently road...
Conference Paper
Full-text available
This paper presents the framework for the development of the transportation sector in the Palestinian territories. These territories, which are evolving towards being an independent state, after the Israeli withdrawal from Gaza Strip and parts of the northern West Bank in August 2005, are considered to represent an economy in transition. The paper...
Conference Paper
Full-text available
This paper presents part of the findings of the World Bank sponsored study updating conditions of the transport sector in the Palestinian territories. This study focuses on freight transport; conditions and needed development programs to enable it to play its role in the economy of the upcoming Palestinian state. Freight transport is currently road...
Conference Paper
Full-text available
Because of recent Israeli military invasions to the City of Nablus, many parts of the city's infrastructure were destroyed including roadways and traffic control devices. There are efforts to rebuild the damaged parts of the city network and its elements such as pavements, sidewalks, islands, traffic signs, and signals. In the midst of these reco...
Article
Full-text available
In the Palestinian territories, as the country is developing, there is a need to study public transport characteristics. This study is concerned with transportation planning in Palestine. The objective of the study is to collect and analyze information about public transportation ridership behavior by using two different questionnaires for bus ride...
Article
Full-text available
The objectives of this study is to provide general evaluation of the current and future conditions and needs of the rural and semi-urban road network in the West Bank. After years of Israeli occupation, the road sector was ignored. During the current Intifada, major parts of the network were closed and destroyed. Palestinians used alternative route...
Conference Paper
Full-text available
Major city downtowns experience parking and congestion problems. Both problems can be improved by reducing single vehicle occupancy use. Several factors affect transportation users' mode choice. This study investigated the parking users' profile in Miami-Dade County, Florida, USA. The study also investigated the users' attitude towards alternative...
Conference Paper
Full-text available
Very limited efforts have been applied to improving traffic safety in Palestinian cities. Therefore, establishing a traffic safety program is essential to achieving this purpose. The main component of this program that was the focus of this study is the planning component, which includes collecting and maintaining accident data, identifying hazardo...
Article
Full-text available
إن حركة سير المركبات وسرعتها أو تباطؤها يرتبط بشكل مباشر بكمية ومعدل استهلاك الوقود وانبعاث الغازات الملوثة من عوادمها. وتستهلك وسائل المواصلات في فلسطين حوالي 60% من كمية الوقود المستوردة. لذا، فإن الاستمرار في ازدياد أعداد المركبات بشكل عام، والمركبات الخاصة بالذات، سيؤدي إلى زيادة استهلاك الوقود والتلوث الجوي في المنطقة. وتهدف هذه الدراسة إلى...
Article
Full-text available
This article presents results of research to study the intercity bus ridership demand, assess existing services, and form a basis to predict future ridership in the Palestinian territories. This study is the first of its type in the area. Intercity public transport between six governorates in the northern and central districts of the West Bank was...
Conference Paper
Full-text available
The Palestinian National Authority gradually resumed control over major cities of the West Bank since 1993. Since then, there have been several traffic systems management (TSM) projects for most cities in the Palestinian territories supported by international donor countries. Some of these projects have completed the five-year cycle and the last TS...
Conference Paper
Full-text available
In the last decade, the world experienced a renewed interest in using the advanced technology to improve transit service operation, reliability, and image. The development of the Intelligent Transportation Systems (ITS) in the last decade contributed towards this renewed interest in transit services. Providing preferential treatments for high occup...
Article
With the emergence of Intelligent Transportation System (ITS) technologies, there has been a renewed interest in bus priority signalalization (BPS). At present, there is no model capable of simulating various BPS strategies and then restoring the original signal settings after bus preemption is awarded. The effect of providing the BPS treatment on...
Article
Full-text available
With the emergence of intelligent transportation system technologies there has been a renewed interest in the bus priority signal (BPS). The effect of providing the BPS treatment on the Washtenaw Avenue Corridor in Ann Arbor, Michigan, was studied. The NETSIM graphic animation feature was used to detect the bus arrival and award preemption. The sig...
Article
With the emergence of intelligent transportation system technologies there has been a renewed interest in the bus priority signal (BPS). The effect of providing the BPS treatment on the Washtenaw Avenue Corridor in Ann Arbor, Michigan, was studied. The NETSIM graphic animation feature was used to detect the bus arrival and award preemption. The sig...
Article
The city of Irbid, Jordon, is divided into 17 zones to examine the accessibility of the locations of the public facilities by zone. The educational, health, postal, mosque, public park, fire, police, library and bank services in Irbid are analyzed, as is the accessibility to public transport, to know how good the location of these facilities is to...
Article
A number of alternative fuels have been suggested and/or tested for use in mass transit buses. This project, a cooperative effort of researchers at Michigan State University and Wayne State University, is assessing the current status of the alternative fuel possibilities. In phase one, the study reviewed the literature on alternative fuels for buse...
Article
Full-text available
East Lansing, Michigan, is home to Michigan State University and about 40,000 students that bus, walk, and drive cars on campus. Although most intersections are controlled by two-way stop signs or signals, three major intersections are controlled by traffic circles. A study was initiated to address operational problems at one of the six major inter...
Article
The objective of the work was to monitor proposed regulations on exhaust emissions, assess their potential impact on transit agencies in Michigan and report those findings to the Michigan Department of Transportation. This was accomplished by identifying resource documents to be searched, obtaining Department approval of this list, and preparing mo...
Article
Full-text available
This paper presents the framework for the development of the transportation sector in the Palestinian territories. These territories, which are evolving towards being an independent state, after the Israeli withdrawal from Gaza Strip and parts of the northern West Bank in August 2005, are considered to represent an economy in transition. The paper...

Questions

Questions (4)
Question
There are some concerns by university administration about the fluctuation of student application/admission to various academic programs; the primary concern is drop in the application/enrollment rate. 
Does anybody know of articles or share information about such an issue for engineering programs?

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Projects

Projects (4)
Project
Using machine learning in traffic prediction.
Project
To estimate the future GHG emissions and energy cost related to conventional, electric, and hybrid vehicles in Palestine.
Project
To analyze and predict traffic accidents trends in order to be used for long term safety strategies.