PROJECT OVERVIEW Journey planners can be used to find the optimal route between two (or more) given locations. They are widely used to plan journeys and can be based on one, or more, modes of transport. The route may be optimised based on different criteria; for example, the journey planner may output the fastest route, the cheapest route or even the route with fewest changes depending on the user’s preferences. For this coursework, you will develop a route planner for the Manchester Metrolink based on average journey times which are provided to you in a file Metrolink_times_linecolour.csv. Each line of the file represents a single connection between two stations and gives the starting station, final station, the transport line colour and the time to travel between the stations as: From ,To ,Line ,Time (mins). You should assume that it takes the same time to travel in the opposite direction. An example of the information provided on journey times is given below. Here, for example, you can interpret the second line as it takes 6 mins to travel from Bury to Radcliffe on the yellow line and it takes 6 mins to travel from Radcliffe to Bury on the yellow line.
From ,To ,Line ,Time (mins) Bury,Radcliffe,yellow,6 Brooklands,Sale,purple,1.5 Sale,Dane Road,purple,1
TASKS Your task is to develop a route planner for the Manchester Metrolink. An image of the network is given below for illustrative purposes only (note, not all lines are used in the provided file, and information in the file may not exactly match the figure). Your route planner should be based on the information and times in the provided file, not on any other timings or information. For testing your code, we will use a new file with stations and times. The format of this file will be the same as the one given for development, but specific information on station names and times may differ. The program should: • Read in information from the provided file to give station names and journey times between stations on different lines. • Provide an interface that enables a user to specify a valid start and end station for their journey. • Given a valid start and end station, compute a route between the two stations and output this route, including lines to travel on, journey time and changes. • Enable users to specify constraints for optimising the journey, e.g. fewest changes, shortest time.
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