[40] Question 2: You have been appointed to draw up a methodology for conducting a transportation study in order to evaluate the need for upgrading the local road network within the town in Figure 1 as a result of proposed future developments set to be completed in the next 10 to 15 years. Explain in detail, with relevance to Figure 1. how you would set out to build and calibrate a detailed traffic model in order to predict the future traffic flows on the road network, how you will go about to obtain the required data needed for this model and how you would evaluate the results. [10] TOTAL MARKS = 50 PROJECT 2 -2020 Figure 1: Roads Residential Area: X River R1 R2 R7 Existing road CBD/Industry Area R3 Existing road R4 R5 R6 Y: New Development/ Light Industrial Future Development Not to Scale Table Node NOTES: Curve No. R1 R2 R3 R4 R5 R6 R7 Table 1: Curve Details Radius (m) Curve Length (m) 420 250 480 300 900 350 420 250 1200 420 1750 450 800 Table 2: Road lengths Road Section Length (m) a-e 1200 ed 1600 1700 a-b 3400 b- 900 1400 a b C d Levels Level (m) 112 126 85 62 x = Existing bridge y = Proposed new bridge (Length 400m) a-e Proposed New link road 1500 [40] Question 2: You have been appointed to draw up a methodology for conducting a transportation study in order to evaluate the need for upgrading the local road network within the town in Figure 1 as a result of proposed future developments set to be completed in the next 10 to 15 years. Explain in detail, with relevance to Figure 1. how you would set out to build and calibrate a detailed traffic model in order to predict the future traffic flows on the road network, how you will go about to obtain the required data needed for this model and how you would evaluate the results. [10] TOTAL MARKS = 50 PROJECT 2 -2020 Figure 1: Roads Residential Area: X River R1 R2 R7 Existing road CBD/Industry Area R3 Existing road R4 R5 R6 Y: New Development/ Light Industrial Future Development Not to Scale Table Node NOTES: Curve No. R1 R2 R3 R4 R5 R6 R7 Table 1: Curve Details Radius (m) Curve Length (m) 420 250 480 300 900 350 420 250 1200 420 1750 450 800 Table 2: Road lengths Road Section Length (m) a-e 1200 ed 1600 1700 a-b 3400 b- 900 1400 a b C d Levels Level (m) 112 126 85 62 x = Existing bridge y = Proposed new bridge (Length 400m) a-e Proposed New link road 1500