view presentation PDF - Institute for Transport Studies - University of ...
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Summary<br />
• Can’t save time only transfer it to something else<br />
• Value <strong>of</strong> travel time saving is a function <strong>of</strong> the difference in<br />
how productive time is whilst travelling and how productive it<br />
is in the activity it is transferred to<br />
• Business and freight VTTS is a function <strong>of</strong> the wage<br />
– Varies by any aspect <strong>of</strong> travel that affects productivity<br />
• Non-work can only be surveyed; and:<br />
– Varies by inconvenience/discom<strong>for</strong>t, income, consequences <strong>of</strong> travel<br />
• Remains contentious as it dominates appraisal and appears<br />
to work against more sustainable policies, but:<br />
– Don’t shoot the messenger
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