Math Problem Statement
Optimize spacing and headway for a corridor service using the following assumptions and Excel Solver: Cost per stop - $1000 Cost per mile of transit service - $10,000/mile Density of passengers - 2000 passengers per mile per hour Maximum cruising speed - 40 miles per hour Length of service - 50 miles Time per stop - 1 minute Access time - 10 miles per hour Maximum door - to - door travel time: 1.5 hour
Solution
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Math Problem Analysis
Mathematical Concepts
Optimization
Cost Minimization
Constraints
Transportation Models
Formulas
Access time = s/20 hours
Cruising time = Length of service / cruising speed = 50 / 40 = 1.25 hours
Stopping time = 50 / s × 1/60 hours
Total travel time = s/20 + 1.25 + (50/s) × 1/60
Cost of stops = 1000 × (50/s)
Cost of service per mile
Theorems
Optimization Theorem
Constraint Optimization
Suitable Grade Level
University Level
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