Hamid A. Al-jameel

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• Prof. Dr. in Traffic Engineering (UK -Salford University)
• Professor at University of Kufa

Rail stations are locations where passengers are picked up and dropped off by trains. This article aimed to determine the optimal locations of tramway stations in Karbala City, Iraq, by using the geographic information systems program. Two model builders had been used, one for origin-destination stations and one for intermediate stop stations. The...

Travel forecasting models predict changes in the travel patterns and propose improvements. This study evaluates the parameters in route choice models, such as binomial, proportional, multinomial logit, and C-logit in microscopic simulation-based dynamic traffic assignment. The average Geoffrey E. Havers (GEH) index of each route choice model was ta...

This study provides a comprehensive evaluation of the impact of side friction (SF) elements on urban traffic flow in Hilla City, Iraq, with a particular focus on how both static and dynamic SF elements such as parked vehicles, pedestrian activities, and irregular vehicular entry–exit maneuvers affect traffic performance and road capacity. The resea...

The city of Al-Najaf encounters significant challenges pertaining to traffic congestion within its street network. The aim of this study is to evaluate specific sustainable indictors of Al-Najaf’s main urban roads. The objective of this study is to determine the level of traffic performance, traffic pollution, noise, and public transportation. Fiel...

A comprehensive understanding of the characteristics of the road network is imperative for implementing fundamental measures to enhance traffic efficiency and mitigate delays. The objective of the present study is twofold: firstly, to classify the urban street network in the city of Karbala; and secondly, to evaluate its effectiveness. Following th...

Due to their illegal road occupancy, pedestrians are often seen as one of the sources of traffic crowding in urban areas. Pedestrian movements include but are not limited to, pedestrians walking along the sides of carriageways and crossing at random. This study aims to evaluate the effect of pedestrian as a side friction (SF) on traffic performance...

The impact of changing the urban planning of historical centers on the spatial environment of the city (a Najaf city is a model) AIP Conf. Proc. Evaluation of bus service in Al-Najaf old city "city center" as sustable indictors) Abstract. Ring roads are an essential strategy that urban areas use to enhance mobility and transit and organize the road...

Transportation by bus is the recommended mode of public transportation due to its lower infrastructure requirements. The length of time the bus takes to travel, its capacity, and the distance between stops. The bus service system is based on the five principles of sustainability: land use planning that takes the consequences of the environment into...

The main justifications for the research are related to solving the traffic congestion in the city due to the increasing number of cars, the natural annual growth, and the great importance of the city of Najaf as a city of tourist attraction. Therefore, it has become necessary to study the feasibility of establishing multiple projects for ring road...

The urban road network is the center of all economic activity in urban settlements worldwide, ensuring the people’s survival. The growth population growthsulted in an increase in the number of vehicles on the road. The static and dynamic characteristics of these vehicles are vastly different. Side friction’s role in limiting speed and capacity whil...

Roads are an economic and development indicator, and the development and multiplicity of roads mean that cities with high sustainable development and vice versa, often have economic and social prosperity. This study focused on two axes, the first is the development potential provided by the development of the Najaf Haji road, the second is an asses...

The religious and economic importance of the city of Karbala led to an increase in the number of daily trips and an increase in the flow of traffic, therefore it was necessary to know the city's road network. This study deals with the evaluation of the traffic performance of urban streets of the study area. The survey was conducted for several days...

Side friction is considered one of the main reasons for reducing the efficiency of traffic in urban streets and is caused by a number of factors, such as parking vehicles on the side of the road, pedestrians crossing in places not intended for them, vehicles entering the main road from secondary roads and leaving it on secondary roads, etc. The sci...

F) в утренние и вечерние часы, и такие сектора требуют немедлен-ных стратегий управления дорожным движением. В то время как остальные сектора работают на той же мощности или близко к ней (УО-E). Цель-проанализировать работу дорожной сети города Кербела в Ираке и оценить ее эффективность, чтобы опре-делить основные шаги, которые необходимо предприня...

Constructing ring roads is a traditional approach to alleviating traffic congestion in urban areas and enhancing road capacity. However, this solution is frequently inefficient in the long run. This study investigates different strategies for managing traffic congestion in urban areas and evaluates their efficacy. The text examines three situations...

Increased population, the rapid growth of vehicles owned, and quick land-use shifts have resulted in an abnormal rise in trips generated and directed to and from the activities area; the occurrence of traffic congestion in different segments of the transportation network leads to extended travel time, resulting in inconvenience and discontent among...

In this article, we analyze the operation of the road network of the city of Karbala in Iraq, which is characterized by its religious and tourist character, and evaluate the effectiveness of the urban street network in it in order to identify the main steps that need to be taken to take measures to improve traffic efficiency and reduce delays. The...

With the rise in private vehicle ownership and the constrained availability of urban space, roadside parking has become less attention has been paid to on-street parking lots' design and planning. As a result of this phenomenon, effective lane widths have decreased, resulting in capacity reductions. This study focused on evaluating the parking char...

Managing transportation systems on university campuses is complex and demands meticulous planning and execution. The University of Kufa is a case in point, with high levels of activity from pedestrians, public transport, and car traffic leading to serious congestion. This congestion creates conflict zones, compromising pedestrian safety, traffic op...

The merging section is considered an essential part of the freeway segment, and it is one of the causes of traffic congestion along the freeway. This study reviews the main characteristics of merging sections and the methods to reduce traffic congestion at the merging section. Several significant factors affecting the merging section were identifie...

Many city streets in developing countries suffer from traffic congestion as a result of human activities on the sides of the roads. The current study is to investigate the main side friction factors affecting traffic performance. The research aims to determine the overall factors affecting traffic side friction based on the previous studies. The st...

The increase in traffic accidents of all kinds indicates the weakness of the traffic safety system. The various losses as a result of traffic accidents, such as loss of life, injuries, or property loss, are important factors for studying traffic accidents in terms of the causes that lead to those accidents. Accident reports indicate that high speed...

A ramp metering (RM) or ramp signal is an effective method for traffic management, especially at merging sections in urban expressways. This research aims to assess the Asservissement Linéaire d’Entrée Autoroutière (ALINEA) method performance at different loop detector locations using field data and micro-simulation modeling via advanced interactiv...

Recurring congestion on highways is the primary cause of traffic congestion in the urban traffic system while jams on merging sections are the worst section along the expressway. Due to the presence of heavy congestion in the site of university of technology, this work states discovering the traffic characteristics of this site to determine the app...

Recurring congestion on highways is the primary cause of traffic congestion in the urban traffic system while jams on merging sections are the worst section along the expressway. Due to the presence of heavy congestion in the site of University of Technology, this study aims to discover the traffic characteristics of this site to determine the appr...

Less attention to pedestrian facilities significantly affects traffic flow, such as side friction and delay. It was noted that a high interaction, in Al-Najaf city, with the vehicular stream by pedestrians resulted in a reduction in the performance of this urban road network with high pedestrian interactions. Compared to vehicular movements, pedest...

The correct saturation flow rates for the specific circumstances must be used to calculate delays and the level of Service at intersections. As a result of a lack of local data, practitioners would often use default values from overseas software developers. Base saturation flow rate is an important factor for timing traffic signals. Despite the 1,9...

Assessing and comprehending the degree of service rendered by diverse transportation infrastructures is of utmost significance for individuals responsible for designing and managing traffic networks. The current study was carried out on the principal urban road named Al-Matar, situated in Al-Najaf City. The methodology involves collecting data rega...

It is urgently necessary to improve the state of transportation and related infrastructure, especially given that the most important indicators of urban development gauge a city's progress. One of the most influential of these indicators is what is known as "smart transport," which refers to transportation that utilizes modern communication and inf...

Because of the privilege of the city of Karbala with its religious character, this city has become a destination for all visitors from all cities of the world; as a consequence, there are now more people living in Karbala, which has increased the number of vehicles on the road and, consequently, the amount of traffic congestion. In this study, the...

This study focuses mainly on investigating some traffic characteristics according to field observations. The road between Girsheen and Suhela Intersections, in Duhok city, has been examined for some traffic characteristics such as flow, traffic composition, and traffic accidents. Viedo cameras have been adopted to determine the level of service bes...

The lack of analys is tools that respond to spatial heterogeneity and the failure to adopt them as tools to assess problems, and the low life quality of Iraqi c ities represent this study's problem. Hence, this study aims to analyze the relationship b etween public transportation and urban form patterns using spatial analys is and shed light on the...

One of the major concerns of the modern world is sustainable development. Sustainable transportation development is crucial in light of the increasing congestion and pollution in urban areas. Al-Kufa City is one of the most significant cities in Iraq. This study focuses on specific criteria such as public transportation, pedestrian facilities, pave...

Transportation that is both socially and environmentally responsible is an important factor in climate change. However, urban sustainable mobility schemes have no universally accepted success criteria. Sustainability evaluation lacks a common language. This document groups sustainable mobility strategies to establish critical transport performance...

Side friction refers to combined variables indicating the degree of interaction between the activities and the traffic stream. The condition worsens when the transport demand and road-side activities increase, leading to inefficient traffic performance. This study has been focused on evaluating side friction impacts in terms of capacity and speed....

The Car-following model is a significant and essential part of developing any traffic micro-simulation model. This study has focused on the main types of the car-following model up to date with the main features or characteristics of this model: vehicle length, reaction time, buffer spaces, and different types of acceleration. This study attempts t...

The lack of analys is tools that respond to spatial heterogeneity and the failure to adopt them as tools to assess problems, and the low life quality of Iraqi c ities represent this study's problem. Hence, this study aims to analyze the relationship b etween public transportation and urban form patterns using spatial analys is and shed light on the...

Urban streets may represent a heartbeat for the movements of any urban city. Limited studies classifying and indicating the main characteristics of urban streets for Al-Najaf city and most other Iraqi cities were the primary motivation for this study. Hence, this study has focused on classifying 14 urban streets with 40 segments. Therefore, the eva...

In Iraq, characteristics of parking behavior still need more investigations, especially hospital parking. By examining and analyzing the current parking supply, this work intends to investigate parking features in three hospitals. In addition, the research aims to calculate the number of necessary parking spaces on a normal day to handle the maximu...

With the increase in population and urban mobilization worldwide, the rapid urbanization of Najaf has led to a massive increase in road traffic. Automobile traffic is now regarded as one of the most significant sources of air pollution in Iraq, with a considerable impact on air quality. This study conducted measurements in a selected urban-road net...

The increase in the volume of traffic from year to year and the establishment of a number of commercial, industrial, recreational, and warehouse centers along the highways reduces the carrying capacity of the highways and causes many distortions. And thus affect the comfort and safety of driving. This research aims to assess the condition of the ai...

Many attempts have been recently made to improve concrete using a polymer. However, despite the great importance of this subject, minimal studies are available about using polymer in rigid pavement highways. The dosages of a Styrene-Butadiene Rubber (SBR) emulsion are 5,10,15 and 20% by weight of cement. Compressive, splitting tensile, and flexural...

Pavements are sometimes subjected to failure due to over-increasing traffic loading and weather conditions; numerous modified asphalt mixtures were utilized to improve their performances. This study compares the performance of asphalt concrete mixtures used in road pavements by using Nano silica (NS) and micro silica (MS) additives to find the best...

The proper design of a road’s surface layer can result in pavements that are not only better in terms of ride comfort and safety, but also in terms of noise reduction. The use of low-noise pavements may be an effective measure to reduce the acoustic pollution generated by road traffic This study aims to consider the effect of changed pavement featu...

This paper aims to investigate the relationship between the Superpave rutting parameter of asphalt (G﹡/sin δ) by conducting Dynamic Shear Rheometer (DSR) tests with the rut depth values obtained by the wheel track device. The twenty asphalt mixtures have been prepared with twenty types of unmodified asphalts and Polymer-Modified Binders (PMBs). SBS...

Due to the common and widespread use of cement in different engineering aspects;therefore, improving cement mortar properties from the main targets which were destined bydifferent researchers. These properties include flow test, permeability, compressive strength,modulus of rupture of cement mortar, and ultrasonic pulse velocity tests. Therefore, t...

Urban streets are essential parts in cities and their development can enhance various aspects of economic life and social activities. Al-Najaf city is one of the Iraqi developing cities that has been suffering from traffic congestion at various sections of its street network. The reasons, locations and intensities of these congestions are important...

The concept of sustainability is considered essential in the development of the asphalt mixtures industry, due to its economic and environmental benefits. This study attempts to highlight the potential benefits of sustainability using Reclaimed Asphalt Pavement (RAP). It reviews previous studies conducted on RAP to obtain the most important charact...

Road network development is a key factor in developing any region in these days. The correct connectivity and the right orientation are needed in an urgent way in order to make a development to road network. However, the attention that is given to the development of the road network especially in the urban areas is insufficient. Thus, the analysis...

Intersections are mainly considered as critical elements of road networks in terms of air quality impact, and their control type and geometric configuration can affect significantly vehicular emissions. This study aims mainly to investigate the effect of traffic flow on the level of pollution at a selected intersection in Kerbela city. Hence, the v...

Nowadays, modeling traffic characteristics are significant in evaluating traffic facilitates such as normal section, weaving and merging sections. Lane changing and lane utilization are important traffic characteristics that are widely studied. This study therefore is focused on both of these characteristics. The lane-changing behavior affects the...

Due to the tremendous development of the number and types of vehicles and a large number of traffic congestions, the phenomenon of the spread of three-wheeled vehicles, which is characterized by ease of movement, has recently appeared in Iraq because of a small space it occupies for its movement. The increase in their numbers exceeds the number of...

For the design of transport facilities and services, as well as for planning, expenditure, and policy development, travel demand modelling studies are important. The goal of this research is to improve and apply projected models for each stage of the Al-Kufa city travel demand forecast process that includes, in addition to the road network database...

Determining effective countermeasures and solutions to environmental problems caused by traffic congestion, is a vital task especially in urban areas. This study's primary purpose was thus to evaluate the road network in Al-Kufa city using several indices, such as noise and pollution. Limited previous studies have discussed the assessment of Al-Kuf...

Determining effective countermeasures and solutions to environmental problems caused by traffic congestion, is a vital task especially in urban areas. This study’s primary purpose was thus to evaluate the road network in Al-Kufa city using several indices, such as noise and pollution. Limited previous studies have discussed the assessment of Al-Kuf...

Investigating a driver behavior under different traffic conditions is the main point to develop a microscopic traffic model such as the Frequency of Lane Changing (FLC) and Lane Utilization (LU). The LC model is the corner stone for developing each traffic software; especially traffic simulation models. The main aim of this study is to investigate...

One of the important points to develop any region is the suitable road network and understanding the relationship between land use and transportation system. To effectively develop any network, there is an urgent need to obtain proper connectivity and orientation. However, Al-Kufa road network has received significantly limited attention and studie...

Modern urban cities around the world suffer from high congestions due to high daily trips for different purposes. Al-Kufa city has a lot of congested roads in its road network. The main objective of this study is to evaluate the current traffic situation. Firstly, the number of links and nodes has been counted using GIS software. These links repres...

Iraqi roads mainly suffer from rutting distresses which resulting from extremely axle loading and high difference in temperature between seasons and even in day and night for the same day. Different types of modifier polymer have been inserted into asphalt materials to enhance the characteristics of asphalt concrete mixture as a whole. Thus, this p...

For the design of transport facilities and services, as well as for planning, expenditure, and policy development, travel demand modelling studies are important. The goal of this research is to improve and apply projected models for each stage of the Al-Kufa city travel demand forecast process that includes, in addition to the road network database...

Two-Way Two-Lane (TWTL) highways have been developed rapidly throughout the world, and they represent a large percentage of the road network spread about the world. In Iraq, this type of road still has also been adopted widely. Therefore, this study tries to investigate the two-way, two-lane highway characteristics because very few studies have bee...

Knowing the rhythm of daily life is more important in investigating some travel behaviours of people. Most importantly, improving parking behaviour in urban cities is one an useful characteristics in reducing traffic congestion problems. The aim of this study is to shed light on the parking behaviours for both off and on-street parking in urban are...

This study has mainly focused on studying the characteristics of selected rural roads in Iraq using the developed simulation model and S-Paramics in order to enrich the area of developing such traffic simulation model calibrated with field data. Thus, several sites, such as Baghdad-Hilla, Baghdad-Mahmudiyah, Baghdad-Kut, Baghdad-Diyala and Najaf-Ke...

Investigating a driver behavior under different traffic conditions is the main point to develop a microscopic traffic model such as the Frequency of Lane Changing (FLC) and Lane Utilization (LU). The LC model is the corner stone for developing each traffic software; especially traffic simulation models. The main aim of this study is to investigate...

Iraqi roads mainly suffer from rutting distresses which resulting from extremely axle loading and high difference in temperature between seasons and even in day and night for the same day. Different types of modifier polymer have been inserted into asphalt materials to enhance the characteristics of asphalt concrete mixture as a whole. Thus, this p...

Knowing the developed stresses within flexible pavement layers that are mostly the combined effects of loading, environment influence, the material characteristics of pavement and subgrade is a prime criterion of pavement design and evaluation. The aim of this study is to explore the influence of using asphalt modifier on the tensile and compressiv...

Modern urban cities around the world suffer from high congestions due to high daily trips for different purposes. Al-Kufa city has a lot of congested roads in its road network. The main objective of this study is to evaluate the current traffic situation. Firstly, the number of links and nodes has been counted using GIS software. These links repres...

Al-Sadar Hospital is an effective medical center in Al-Najaf city in Iraq which serves up to 1200 patients. This study has focused on two types of data from this hospital mainly are general information and filed data about parking vehicles. A drone has also been used for collecting field data in this study in addition to direct interviews with peop...

This study mainly focused on testing the feasibility of using some finely divided materials (waterproofing) as a permeability-reducing admixture in mortar after mixing with sulphate resisting cement and fine sand and evaluating the effects of these materials on the other properties of mortar. Bentonite and limestone dust are used as a permeability...

Parking problems in an urban area are one of the serious problems everywhere, especially in Iraq. Therefore, this study has mainly focused on investigating parking characteristics in the city center of Al-Hilla. These parking characteristics include average turnover and efficiency for off-street parking. Sixteen off-street parking sites have been s...