VISSIM 5.30-05 User Manual

7 Simulation of Pedestrians
Pedestrian routes belong to pedestrian routing decisions that are located on
pedestrian areas.
A pedestrian route is a fixed sequence of areas and ramps:
► It starts at the routing decision area (red dot)
► It ends at a destination area or ramp (green dot).
Each routing decision point can have multiple destinations resembling a tree
with multiple branches. The length of routes and partial routes is not limited.
The start, intermediate stops and the end of a pedestrian route cannot be
placed on a link that has been defined as a pedestrian area.
Note: If required, you can create a construction element of the Area type on
this link. Then place the routing decision or an intermediate point or the
destination of a pedestrian route on that area.
Just the construction element Area can carry the routing decision point
information.
Intermediate points and the destination of a static route or a partial route for
pedestrians can be placed on an Area or a Ramp.
Consideration of routing decisions by pedestrians
A routing decision affects only pedestrians of a class that is contained in the
routing decision and which do not have any routing information at the
moment. If a pedestrian is already walking along his a route then he first has
to reach the route’s destination (green dot) prior to be able to receive new
routing information. Note that this is different for the routing decisions of
partial routes. Details are explained below.
7.1.8.1 Types of Routing Decisions and Routes for Pedestrians
Pedestrians can be assigned Static routes or Partial routes. Routes always
start from a routing decision which is of either type.
► Static Route: Routes the pedestrians from a start area (red dot) to one of
the defined destinations (green dot) using a static percentage for each
destination (similar to static vehicle routes between start and destination
cross section, cf. section 6.4.4).
► Partial Route: Defines a section of one or more routes where pedestrians
are re-distributed according to the routes and percentages defined for the
partial routes. After having completed the partial routes the pedestrians
continue to follow their original route.
All pedestrians who satisfay the following conditions are assigned a new
route from the partial route's decision area to the partial route's
destination area.
- The pedestrian enters an area, on which a partial routing decision is
located whose destination is on an area where also an intermediate
point or the destination of the pedestrian’s original route is located.
372 VISSIM 5.30-05 © PTV AG 2011