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VISSIM 5.30-05 User Manual

VISSIM 5.30-05 User Manual

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5 Base Data for Simulation<br />

► If the predefined occupancy rate is 1 for vehicle type A, then all vehicles<br />

of type A are assumed to have only the driver sitting in them.<br />

► If the predefined occupancy rate is 1.4 for vehicle type B, then 60% of<br />

the vehicles of type B are assumed to have only the driver sitting in them<br />

and 40% are assumed to have driver and co-driver sitting in them.<br />

The Pricing update interval defines, how often the travel times (i.e. travel<br />

time savings and average speed values) and the particular road toll are recalculated.<br />

Travel times and road toll are valid throughout the current Pricing<br />

update interval and will be re-calculated when a new Pricing update interval<br />

starts.<br />

Optionally user-defined moments of time can be regarded additionally for toll<br />

pricing re-calulation: After re-calculation at a user-defined time the general<br />

Pricing update interval will be regarded again for the next re-calculation. For<br />

Time interval definition please refer to section 6.4.3.1.<br />

Road toll per occupancy rate and time interval<br />

Road toll is defined by time interval. You may apply it in two ways:<br />

► Road toll is a constant value (fixed price)<br />

► Road toll is derived from a user-defined calculation model:<br />

Click to call the selection list and make your choice. There are two<br />

options:<br />

- Select one of the pricing models from the list predefined via menu<br />

TRAFFIC - TOLL PRICING CALCULATION MODELS<br />

- Select to call the Toll Pricing Calculation Models window<br />

directly.<br />

For fixed price = 0.0 no road toll is charged.<br />

Also a user-defined calculation model may result in road toll = 0.0.<br />

Road toll = 0.0 does not automatically mean that all vehicles would take the<br />

managed lane (cf. section 5.6.1.2).<br />

Road toll is calculated according to the selected calculation model at each<br />

managed lane facility for each of the three user classes and remains valid<br />

until the next pricing update. In the network, the managed lane facilities´<br />

moments of time when a pricing update has to be calculated can differ.<br />

154 <strong>VISSIM</strong> <strong>5.30</strong>-<strong>05</strong> © PTV AG 2011

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