Efficient traffic survey analysis is a catalyst for achieving an efficient and advanced transport planning and sustainable urban development. Unfortunately, the obvious decline in the traffic survey on Nigerian urban roads has left the road transport system to be handicap of traffic data, quality service deliveries and characterized by traffic-related quagmires with devastating socio-economic consequences including congestion, crime and crash incidences. This paper examined traffic survey analysis on major highways in Ogun State, Nigeria using manual traffic count method for estimation of traffic volume and flow pattern. The traffic data gathered were presented and analyzed using descriptive and inferential (ANOVA and Student ‘t’ test) techniques to determine variations in vehicular traffic volume and flow situation (inbound and outbound). Findings revealed that Car/SUV is the most dominant traffic relative to others. Meanwhile, ANOVA results show significant variation in traffic volume on the selected highways (p. value < 0.05), while, the Student ‘t’ test shows no significant difference between traffic inbound and outbound. Findings also revealed that the physical condition of the highways is relatively poor. Based on these findings, the study recommended improvement measures and strategies to curtail traffic-related issues towards achieving efficient, safe, and quality road transport planning in Nigeria.
The challenges of carrying agricultural loads and forestry products were rightly identified as essentially the rural dwellers burden. Little efforts have been made to have an adaptive mobility frame (attached to bicycle and motorcycle) to carry goods and products from the point of harvest to the point of sales (the markets), a situation that leads to systematic rot of agriculture products on the farms, leading to low revenue and productivity of the rural people. Therefore, the goal of this research is to develop an improved carriage (trailer) to bicycle and motorcycle for goods mobility in rural areas of Nigeria. The design criteria for these trailers include: lightness in weight; ease of usage; flexibility; adaptability with various bicycle and motorcycle types; low cost of engineering materials, durability and availability of materials; and it is required that the trailer carries 200 kg load on smooth road (tarred and untarred). Factors considered for this design include; weight of the rider, weight of bicycle and motorcycle, type of road, type of load and factor of safety. Three different trailer designs were developed for the bicycle namely fixed plate design (FPD), convertible plate design (CPD) and wire mesh design (WMD), while the motorcycle trailers developed are the fixed plate design (FPD) and the convertible plate design (CPD). The hitch system used for the WMD bicycle trailer was a conventional universal joint and collar attached to the trailer front frame and the hitch system for the bicycle and motorcycle FPD and CPD comprises an annular of heavy duty cylindrical cone housing and a bolt. These designs are due in part to their simplicity, availability and ease of replacement for rural dwellers. Preliminary evaluations have shown satisfactory performance based on the load carrying capacity; stability of the trailer, bicycle and motorcycle turning ability; comfort of the operator and ease of disassembling the hitch system. A proper usage of the trailers presented in this study will boost the health and wealth of farmers and other rural dweller users.
The paper through descriptive analysis sought to explain the needs for transport and logistics research, issues and benefits in transport research.. This is predicated on the fact that transport and logistics problems in developing countries require local solutions that are inherently different from those in more developed countries. The prevailing road environment is often different with climatic factors having a considerable influence on design and performance. Motorcycles, pedal cycles and various forms of non-motorised transport compete with cars, trucks and pedestrians for the use of the available road space, resulting in situations in which the most vulnerable road users are often particularly at risk. However, research has proved to be effective in devising innovative and cost-effective solutions for the provision of access and the facilitation of transport services that meet the need for safe, sustainable access and greater mobility for the poor in developing countries. Over 5 decades after achieving independence, Nigeria still rely on developed nations to conduct the research required to solve their problems in the transport sector. The provision of the relatively small amount of funding needed for researching solutions would appear to be a sound investment for the nation. It is in the light of this that the paper attempt to give examples of the benefits from investment in research in the transport sector, describes programs designed to facilitate innovation and research in the sector in developing countries, identifies the research need and suggests ways in which donors and recipient country organizations can assist in establishing a framework for carrying out research.
Highway development in Nigeria pioneered other modes of transport including rail, air, water and pipeline. It serves as the most efficient means of distributing agricultural products, locally-made products and natural resources. As a result of this, highways requires adequate planning and periodic maintenance for effective and efficient performance. This study examined traffic situation and capacity utilisation of highways in Ogun State, Nigeria with particular reference to Lagos-Ibadan, Lagos-Abeokuta and Sagamu-Benin Highways. Manual traffic count method was employed for the estimation of traffic volume and flow pattern. The count took 12 hours a day for three consecutive days (Tuesday, Thursday and Saturday) of a week. The traffic data gathered were analyzed and interpreted using descriptive and inferential techniques to determine Average Daily Traffic Volume (ADTV), flow situation and capacity utilization rate of each highway through thorough observation of inbound and outbound traffic. Findings revealed significant variation in traffic flow situation observed on Tuesday, Thursday and Saturday of selected highways. Findings also revealed that Lagos-Ibadan Highway (2,085 vehicles/hour/lane) is well utilized while Abeokuta-Lagos and Sagamu-Benin Highways are underutilized with 820 and 1,184 vehicles/hour/lane respectively. Improvement measures and strategies to address traffic flow situation including route development and utilisation issues on the highways were proposed.
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