Example 2: Use the following cross classification model to find, a) b) c) How ma

Question

Example 2: Use the following cross classification model to find, a) b) c) How many person trips will be produced by a two person HH that owns one vehicle? The total trip productions for a specific TAZ in Fresno City. If 92% of the person trips use private cars and the average auto occupancy is 1.2, how many vehicle trips will be produced from this TAZ? Average daily person trips by HH size and auto ownership Persons per HH Autos Owned 2.6 4.0 4.0 4.8 6.7 8.1 3+ 7.4 9.2 10.6 2+ Number of HHs disaggregated by HH size and car ownership in a specific TAZ in Fresno City Persons per HH Autos Owned 0 1,133 3,056 4,727 3+ 297 1,016 Sum 1,972 6,201 542 2,129 538 4,065 | 1,948 | 6,551 Sum 6,736 3,261 14,724 CE150: Transportation Planning and Design Page 3 of 3 Spring 2018

Explanation / Answer

a) 6.7 person trips will be produced by two person HH owning one vehicle.

b) The total trip production will be 14,724

c) 92% of 14,724 = 13,546 persons use personal car . Hence no. of person left out = (14,724 - 13,546) = 1,178 persons. Average auto occupancy is 1.2.

Hence, no. of vehicle trips = 1,178 / 2 = 589 trips.

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