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Question - 1: Traffic needs to be calculated for a road network shown in Figure 1.1. Residential Area B Table 1: Traffic data for road section AA Vehicle Type Number of axles 2 2 2 3 3 4 4 Residential Area Figure 1.1: Road network Information available regarding the project: The road needs to be designed for 20 years. The roads are two directional and have two lanes. Information available regarding Traffic: Bus Pickup truck Single unit truck Rigid truck Classified traffic count was conducted in the region shown in Figure 1.1. Based on the traffic count data, the proportions of vehicle type for road section AA and road section BB are shown in Table 1.1 and Table 1.2 respectively. The total annual average daily traffic in 2018 for road section AA and road section BB are 10000 and 6000 vehicles respectively. Percentage of truck traffic (buses+trucks+trailers) for road section AA and road section BB are 20% and 5%. Articulated truck Articulated truck Trailer Collector Road Using a land usage model, the predicted annual average daily traffic for road section AA and road section BB in 2025 is 15000 and 8500 respectively. The growth in traffic is expected to be compounded. Calculate the design traffic in ESAL for which the road section AA and BB need to be designed. For calculating design traffic, consider the traffic opening year as 2020. Proportion % 10 30 40 10 6 2 2 B Truck factor 1.1 0.2 3.2 5.0 53 3.5 5.1 6.0

Question - 1: Traffic needs to be calculated for a road network shown in Figure 1.1. Residential Area B Table 1: Traffic data for road section AA Vehicle Type Number of axles 2 2 2 3 3 4 4 Residential Area Figure 1.1: Road network Information available regarding the project: The road needs to be designed for 20 years. The roads are two directional and have two lanes. Information available regarding Traffic: Bus Pickup truck Single unit truck Rigid truck Classified traffic count was conducted in the region shown in Figure 1.1. Based on the traffic count data, the proportions of vehicle type for road section AA and road section BB are shown in Table 1.1 and Table 1.2 respectively. The total annual average daily traffic in 2018 for road section AA and road section BB are 10000 and 6000 vehicles respectively. Percentage of truck traffic (buses+trucks+trailers) for road section AA and road section BB are 20% and 5%. Articulated truck Articulated truck Trailer Collector Road Using a land usage model, the predicted annual average daily traffic for road section AA and road section BB in 2025 is 15000 and 8500 respectively. The growth in traffic is expected to be compounded. Calculate the design traffic in ESAL for which the road section AA and BB need to be designed. For calculating design traffic, consider the traffic opening year as 2020. Proportion % 10 30 40 10 6 2 2 B Truck factor 1.1 0.2 3.2 5.0 53 3.5 5.1 6.0

Traffic and Highway Engineering
Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter2: Transportation Systems And Organizations
Section: Chapter Questions
Problem 3P
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Question - 1: Traffic needs to be calculated for a road network shown in Figure 1.1. Residential Area Table 1: Traffic data for road section AA Vehicle Type Number of axles 2 2 2 3 3 4 4 B Figure 1.1: Road network Information available regarding the project: The road needs to be designed for 20 years. The roads are two directional and have two lanes. Information available regarding Traffic: Bus Pickup truck Single unit truck Rigid truck Residential Area Classified traffic count was conducted in the region shown in Figure 1.1. Based on the traffic count data, the proportions of vehicle type for road section AA and road section BB are shown in Table 1.1 and Table 1.2 respectively. The total annual average daily traffic in 2018 for road section AA and road section BB are 10000 and 6000 vehicles respectively. Percentage of truck traffic (buses+trucks+trailers) for road section AA and road section BB are 20% and 5%. Articulated truck Articulated truck Using a land usage model, the predicted annual average daily traffic for road section AA and road section BB in 2025 is 15000 and 8500 respectively. The growth in traffic is expected to be compounded. Trailer Table 2: Traffic data for road section BB Collector Road Calculate the design traffic in ESAL for which the road section AA and BB need to be designed. For calculating design traffic, consider the traffic opening year as 2020. B Proportion % 10 30 40 10 6 2 2 Truck factor 1.1 0.2 3.2 5.0 3.5 5.1 6.0
Transcribed Image Text:Question - 1: Traffic needs to be calculated for a road network shown in Figure 1.1. Residential Area Table 1: Traffic data for road section AA Vehicle Type Number of axles 2 2 2 3 3 4 4 B Figure 1.1: Road network Information available regarding the project: The road needs to be designed for 20 years. The roads are two directional and have two lanes. Information available regarding Traffic: Bus Pickup truck Single unit truck Rigid truck Residential Area Classified traffic count was conducted in the region shown in Figure 1.1. Based on the traffic count data, the proportions of vehicle type for road section AA and road section BB are shown in Table 1.1 and Table 1.2 respectively. The total annual average daily traffic in 2018 for road section AA and road section BB are 10000 and 6000 vehicles respectively. Percentage of truck traffic (buses+trucks+trailers) for road section AA and road section BB are 20% and 5%. Articulated truck Articulated truck Using a land usage model, the predicted annual average daily traffic for road section AA and road section BB in 2025 is 15000 and 8500 respectively. The growth in traffic is expected to be compounded. Trailer Table 2: Traffic data for road section BB Collector Road Calculate the design traffic in ESAL for which the road section AA and BB need to be designed. For calculating design traffic, consider the traffic opening year as 2020. B Proportion % 10 30 40 10 6 2 2 Truck factor 1.1 0.2 3.2 5.0 3.5 5.1 6.0
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