Southwestern University Traffic Problems

Southwestern University Traffic Problems

Southwestern Universitv WOk located in the small town of Stephenville, Texas. is expenencing increased interest in its football program now that a big name coach has been hired. The increase in season ticket sales for the upcoming season means additonal revenues, but i-aiso mcans increased com- plaints due to the traftic problems associated with the football pares. When a new stadium is built, this will only get worse. Marty Stan SWU’s president. has asked the University Plan. ning Committee to look into this problem Based on traffic projections, Dr. Starr would like to have sufficient capacity so that 35.000 cars per hour could travel from the stadium to the interstate highway. To alleviate the an- licipated traftic problems. some of the current streets cading from the university to the interstate highway are being consid- cred for widening to increase the capacity. I ho curren, stroci oh. pacities with the number of cars (in 1,000g) per hour are shown in Figure I 1.34. Since the major problem will be after the game, only the flows away from the stadium are indicated. I hese hows include some streets closest to the sisdium ocing trans. formed into one-way streets for a short period after cach game with police ollicers directne cranic Alexander Lce, a member of the Univeraty Pianning Com. mittce, has said that a quick check of the road capacities in the diagram in Figure 11.34 indicates that the total number of cars per hour that may leave the stadium (node I) is 33,000. The number of cars that may pass through nodes 2. 3, and 4 is 35,000 per hour, and the number of cars that may pass through nodes 5. 6, and 7 is even greater. Therefore. Dr. Loc has sug gested that the current capacity is 33,000 cars per hour. He has also suggestco that a recommendstion be made to the cit man. ager for expansion of one of the routes from the stadium to thie highway to permit an additional 2,000 cars per hour. He recom mends expanding whichever route is cheapest. If the city chooses not to expand the roads, it is felt that the traffic prob- lem would be a nuisance but would be manageable. Based on past experience, it is believed that as long as the street capacity is within 2.500 cars per hour of the number that leave the stadium, the problem is not too severe. However, the seventy of the problem grows dramatcally for cach additonni Jed airs thatare soded to the streets Discussion Questions 1. If there is no expansion, what is the maximum number of cars that may actually travel from the stadium to the inter. state per hour? Why is this number not equal to 33,000, as Dr. Lee suggested? 2. If the cost for expanding a street were the same for each streel, which Streets) would you recommend expanding to increase the capacity to 33,000? Which streets would you recommend expanding to get the total capacity of the system to 35.000 per hour? FIGURE 11.34 Roads from Stadium to interstato 15, Stdium 8 Interstato Internet Case Study Sce our Internet home page, at www.pcarsonhitchercd.com/rendler.for.the additional ease studs Ranch Development Project. which involves finding the least-cost way to provide watch and sewer services to homes ino new housing development. Southwestern University Traffic Problems

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