1. Apply quantitative methods and computer software relevant to civil engineering, in order to solve civil engineering problems.

LEARNING OUTCOMES The student will be able to:

1. Apply quantitative methods and computer software relevant to civil engineering, in order to solve civil engineering problems.

2. Understand codes of practice and industry standards used in surveying and highway engineering

Assignment Question 1 (HD1 Traffic Survey Techniques):

The FigureQ1 shows two-hour manual classified count of vehicles at a junction for the hours between 4pm and 6pm on a weekday. The 95% confidence interval of the counts is ±10%. Estimate the Annual Average Daily Traffic (AADT) on Main Road West together with its associated 95% confidence interval. The appropriate expansion factors and their coefficients of variation should be selected from tables provided in handouts. The road is classified as a ‘Main Urban Commuter’ route and the count was undertaken on a weekday in May. Comment on the size of the confidence interval compared with that for the original count and suggest other types of count survey which would yield an estimate of the AADT with a narrower 95% confidence interval.

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