Attributes of reduced speed areas

The Reduced Speed Area window opens automatically when you insert a network object and you have selected to have the Edit dialog opened automatically after object creation (Right-click behavior and action after creating an object). By default, only the Reduced Speed Areas list is opened.

Into the window, you enter attribute values for the network object. For network objects which have already been defined, you can call the window using the following functions:

• ►  In the list of network objects of the network object type, double-click the row with the desired network object.
• ►  In the Network editor, select the network object of your choice. Then, on its shortcut menu, click Edit.

The network object may have additional attributes. In the network objects list of the network object type, you can show all attributes and attribute values. You can open the list via the following functions:

• ►  On the network object sidebar, right-click the desired network object type. Then on the shortcut menu, click Show List (Shortcut menu in the network object sidebar).
• ►  In the Network editor, select the network object of your choice. Then, on its shortcut menu, click Show In List (Selecting network objects in the Network editor and showing them in a list).
• ►  On the Lists menu, in the desired category, click the network object type.

In the network objects list of the network object type, you can edit attributes and attribute values of a network object (Selecting cells in lists), (Using lists).

The objects of this object type may have relations to other objects. This is why the attributes list is shown as part of a coupled list (on the left). On the Lists toolbar, in the Relations box, you can show and edit the coupled list with the attributes of the desired relation on the right (see below Showing and editing dependent objects as relation) and (Using coupled lists).

Note: In lists, you can use the  Attribute selection icon to show and hide attribute values (Selecting attributes and subattributes for columns of a list).

The basic attributes of the network element are shown in the upper area of the window and in the list of network objects for the particular network object type.

Element	Description
No.	Unique number of the reduced speed area
Name	Designation of the reduced speed area
Link-lane	Ln: Number (Index) of lane on which the reduced speed area is placed.
Length	Length of the reduced speed area in the network in meters
At	Position (Pos): Distance from start of the link or connector
Time from, To time	TimeFrom, TimeTo: Time interval in simulation seconds for which the reduced speed area is active
Showing label	If the option is not selected, the label for the Reduced speed area is not displayed, even if the label for all reduced speed areas is selected.

The list contains, amongst others, the following attributes:

Element	Description
VehClass	Vehicle Classes for which the reduced speed area applies
DesSpeedDistr	Desired Speed Distribution: Speed in the reduced speed area
Decel	The maximum deceleration with which faster vehicles decelerate when they approach the reduced speed area. The lower this value is, the further away from the reduced speed area the vehicle begins to reduce its speed.

Notes: A reduced speed area only applies to vehicles which enter into the reduced speed area. The reduced speed areas may not overlap for a particular vehicle class. If reduced speed areas overlap, the driving behavior of the vehicle class is not defined. Do not insert a stop line for a signal head, a priority rule or a stop sign within a reduced speed area. Otherwise, not all of the vehicles may recognize the stop line. Always insert the start of reduced speed areas behind the stop line. The combination of vehicle classes, speed distribution and acceleration of the last reduced speed area which was edited is used as the preset value for the new reduced speed area.

Showing and editing dependent objects as relation

The attribute and attribute values of this network object type are shown in the list on the left, which consists of two coupled lists.

1.  In the list on the left, click the desired entry.

The list on the right contains attributes and attribute values of network objects, and/or base data allocated to the network object selected in the list on the left (Using coupled lists):

2.  On the list toolbar, in the Relations list, click > Speed reductions.

Attributes of slow driving are displayed: Slow driving defined for different vehicle types in this reduced speed area.

The attributes are described further above.

3.  Enter the desired data.

The data is allocated.