Public Transport Planning and Management in Developing Countries

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“K18880” — 2014/11/6 — 12:31 — page 121 — #131

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Public Transport Planning and Management in Developing Countries

originating and/or attracted to each zone. Depending on this information we may be able

to use different growth-factor methods in our estimation of future trip patterns.

6.1.3.1.1 Uniform growth factor

If the only information available is about a general growth rate τ for the whole of the study

area, then we can only assume that it will apply to each cell in the matrix:

T

ij

= τt

ij

where τ=T/t, i.e., the ratio of expanded over previous total number of trips.

Example 2: Consider the simple four-by-four base-year trip matrix of Table 6.4. ...