Creating turn standards

You can create new turn standards.

1.  On the Network menu, click Turn standards.

The Turn standards window opens. All existing turn standards are displayed.

Note: In the list, you can shift the selected entry if you click the and buttons. The IDs of the shifted objects change automatically. The turn standard with the highest ID has the highest priority. As soon as a turn is inserted, Visum checks which turn standard applies, beginning with the highest ID. The values of these turn standards are allocated to the new turn.

2.  Click the  Create button.

The Create turn standard window opens.

3.  Make the desired changes.

Element

Description

ID

Specify a unique ID.

Note

Turn standards are numbered consecutively. The preset number can be overwritten by a number which has not yet been assigned in the network.

Turn type

Turn type of the turns for which the attribute values shall be used

Notes

The values range from 0-9 or ?. The signs have the following meaning:

0=not specified

1=right

2=straight

3=left

4=U-turn

5-9=free for the illustration of special cases

?=any turn type

Flow hierarchy

Flow hierarchy of the turns for which the attribute values shall be used

Notes

The value range is ++, +-, --, -+. The signs have the following meaning:

++ = major flow into major flow

+- = major flow into minor flow

-+ = minor flow into major flow

-- = minor flow into minor flow

The ? can be used as wildcard for any sign.

Node type

Node type of the turns for which the attribute values shall be used

Note

The value range is 0 to 99.

The ? can be used as wildcard for any sign.

Time penalty

Time penalty for a turning movement in seconds

Default value that is used automatically for new turns which have the properties specified above

Capacity PrT

PrT capacity

Default value that is used automatically for new turns which have the properties specified above

Is change of running direction

If the option has been selected, the turn allocated from this turn standard represents a change of direction.

Default value that is used automatically for new turns which have the properties specified above

4.  Confirm with OK.

The turn standard is created.