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March 14th, 2017, 02:50 PM  #1 
Newbie Joined: Mar 2017 From: Uk Posts: 1 Thanks: 0  Help with solving traffic problem
Please could someone help me solve a problem related to traffic? I've simplified the numbers for my benefit. Single carriageway road (one lane in each direction) the eastbound flow during a peak hour is 50 vehicles and the westbound flow is 100 vehicles. The westbound cars have to overtake parked vehicles (UK so traffic on left). 5 westbound vehicles had to stop to give way to oncoming cars. Assuming all travel at similar speeds. If the traffic increased to 75 vehicles eastbound and 250 westbound, how can I calculate the number of vehicles which are likely to have to stop to give way?? Would this be correct?? 75/50 x 250/100 = 1.5 x 2.5 = 3.75 5 x 3.75 = 18.75 or 19 vehicles which would have to stop. Thanks ðŸ˜€ 
March 16th, 2017, 06:34 AM  #2 
Senior Member Joined: Apr 2014 From: Glasgow Posts: 2,037 Thanks: 674 Math Focus: Physics, mathematical modelling, numerical and computational solutions 
Is the problem you are doing part of a specific course? If so, do you have links to any course material with the equations they use for these sorts of problems? The answer to your problem depends on how detailed an answer you want. I don't see anything too onerous about your calculation, but it's hard to say if it's "correct" without knowing what calculations you're expected to be making to solve this problem in your course. 

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