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1- project, report and presentation 25%
Project Submission Date: 16/05/2018
Tasks Detailed Brief:
Project Task 1
Highway projects need analysis and design of various sections of the road network. As a highway engineer, you have been asked to perform the tasks outlined below according to the standards specified by Ministry of Highway and Transport Engineering in UK.
You will have to conduct comprehensive design tasks for this project, requiring feasibility study, design and construction of a vertical curve road.
Your project’s design model should include:
Exhibit 1. Types of Vertical Curves
Table 1. Passing Sight Distance for Design of Two-Land Highways
Design Consideration parameters:
Your design of roadway curves should be based on an appropriate relationship between design speed and curvature and on their joint relationships with superelevation and side friction.
Project Task 2
A CSS (County Surveyors` Society) study has highlighted the need for improved design guidance for mini-roundabouts that would allow improvements to be made in the selection of sites and the design of existing and proposed junctions. Traffic Management Division also believes that improved design guidance is required in this area. Mini-roundabouts are increasingly being used in schemes where traffic calming measures are being introduced. There is little design guidance and schemes often attract complaints from the public.
To provide technical input and design and advice on mini-roundabout design, you will have to conduct comprehensive design tasks for this project, requiring feasibility study, design and construction of mini roundabout. Sample mini-roundabout sketch as shown in Exhibit 3.
Exhibit 3 Sample mini-roundabout
Design of mini roundabout as a common form of junction in the UK is currently based on inconsistency in the application of the junction type, a degree of confusion regarding the safety and suitability in some locations and an apparent lack of awareness of regulations.
Reducing the dominance of one traffic flow
Giving priority to right turners
Facilitating access and reducing delay at side roads
Improving capacity at overloaded junctions
You will be marked on:
You will need to submit:
A written report which should contain your calculations, graphs, and drawings in clear and readable format.
Instructions: