Developing New Road Networks Using a Step-wise LCP Approach

Authors: Nathaniel Dede-Bamfo*, Texas State University - San Marcos
Topics: Geographic Information Science and Systems, Transportation Geography, Agricultural Geography
Keywords: Rural Transportation, Mobility, GIS, Least Cost Path, Agriculture, Sub-Saharan Africa
Session Type: Paper
Day: 4/12/2018
Start / End Time: 3:20 PM / 5:00 PM
Room: Gallier A, Sheraton, 4th Floor
Presentation File: No File Uploaded


The goal in this research was to develop new road networks to improve spatial accessibility to markets in the Afram Plains of Ghana. The eventual road network needed to either connect all or most of the local communities such that residents of the communities could reach a market within sixty minutes of traveling. A new approach called step-wise LCP was developed for this task. The step-wise LCP approach proved effective in predicting new roads that linked all the communities to existing roads and ultimately to a market. It also helped cut down mean travel time from 71 minutes to 49 minutes.

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