Vehicular Trip Bytraffic Assignment Model in Maiduguri Metropolis

In this research work two trips are considered namely House hold trip and Commercial trip. A house hold trip is a person trip or auto driver trips made by residents within a specified area and for defined purposes, while a commercials trip is a trip made by the commercial vehicles within a specified area and for a defined purpose. Normally, surveys of commercial vehicle are carried out in conjunctions with the home-interview study. If the complete pattern of travel within the survey areas is desired, this phase of the survey must be carried out with the same care as, and in a manner similar to the home interview study. In this case planners may collect extensive data on socio-economic characteristics of house hold and relate such information of house hold travel. To collect data a kind of survey is carry out, which includes home interview, telephone, and mail survey. The home interview method involves identifying a sample of all of the households within the area, arranging for interviews, and questioning respondents about trips made by person in their respective households the previous day, such relationships are extremely valuable for making forecasts of future travel by person who reside in the study area. In the causes of study, data was collected through the form of verbal interview and by passing questionnaires to the various household in the study area. Traffic assignment is the stage in transportation planning process where in the trip; inter-changes are allocated, to different part of network forming the transportation system. The traffic assignments help to reduce the time consumption for car drivers. In the research work a value was test to verify the model equation for the traffic assignment method. From the calculation, by diversion curve method, the traffic reduced from 445 vehicle/h from modugani through Monday market to Bama road, reduced to 361vehicle/h through kyarami to Bama road with the reduction of total number of 84vehicle/h.