VISSIM 5.0：微观交通模拟工具，用于城市交通与公交运营评估

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Important Notice to Users of Previous VISSIM Versions

16 VISSIM 5.00 © PTV AG 2007

As the car following and lane change models have been improved

(especially for merging areas) the simulation results may be different when

comparing with an earlier version.

Due to new program features a network file saved with version 3.70 cannot

be read in any older version of VISSIM.

Dynamic Assignment: Parking lots cannot be assigned to more than one

zone any more. A parking lot from an old VISSIM network file that is

assigned to more than one zone is converted to several parking lots

assigned to one zone each.

North American licenses: Optional module “NEMA” available which

includes an interface to the standard NEMA controller type (cf. section

6.7.3.3). Optional SYNCHRO import module available (cf. section 6.2.1.2).

Versions Previous to 3.60

For users of Dynamic Assignment: The file format and interpretation of the

time in matrix files (FMA) has changed in order to make it fully compatible

with VISUM:

►

A time value of 1.50 is now interpreted as 1 hour 50 mins rather than 1

hour 30 mins (1.5 hrs).

►

The time stated in the matrix is now the absolute time of day (not relative

to the simulation start). For more information please refer to chapter

11.4.

►

The matrix scaling factor is now used in VISSIM.

With the introduction of link types, network files from versions prior to VISSIM

3.60 will be transformed to replicate the existing driving behavior and link

features using link types. On rare occasions where a single vehicles mix

contains cycles and pedestrians the link type might not be identified correctly

by VISSIM. Thus traffic on those links might appear different as from

versions prior to 3.60.

Versions Previous to 3.50

VISSIM from version 3.5 incorporates a single model to handle vehicle data

for both 2D and 3D representation. As 3D elements have a static length the

use of length distributions is impossible and thus is not supported any more.

If network files of older VISSIM versions are to be loaded in the current

version, each vehicle type will be assigned a length that is computed as the

average of the previous length distribution that has been assigned to it. In

order to reflect the behavior of length distributions a vehicle model

distribution may be used.

Furthermore the format of the 3D vehicle models has been improved in order

to minimize loading times. Thus the V3D format is now used for all 3D

User Manual © PTV AG 2007 19

VISSIM Quick Start Checklist

For those users who are constructing their first network this is a checklist

intended to assist in building the network in the most efficient order.

1. Open VISSIM and create a new file

2. Set the simulation parameters (cf. section

7.1.1)

3. Create/edit speed profiles (cf. section 5.2.1)

4. Check/edit vehicle type characteristics (cf. section 5.3.1)

5. Create traffic compositions (cf. section 6.4.1)

6. Open the master plan of your study area as a background image (cf.

section

4.4)

7. Place and scale the background image and save background image file.

Note: Scaling the background image accurately is extremely important

(cf. section

4.4.3)

8. Draw links and connectors for roadways tracks and crosswalks (cf.

section

6.3.1)

9. Enter traffic volumes at network endpoints and pedestrian volumes on

crosswalks (cf. section

6.4.3)

10. Enter routing decision points and associated routes (cf. section 6.4.4)

11. Enter speed changes (cf. sections 6.3.3.1 and 6.3.3.2)

12. Enter priority rules for non-signalized intersections (cf. section 6.6.1)

13. Enter stop signs for non-signalized intersections (cf. section 6.6.3)

14. Create Signal Controls with signal groups, enter timing for fixed time or

choose a different controller for vehicle actuated signals (e.g. VAP or

NEMA, cf. section

6.7)

15. Enter signal heads in network (cf. section 6.7.1)

16. Enter detectors for intersections controlled by traffic actuated signal

control (cf. section

6.7.2)

17. Enter stop signs for right turns on red (cf. section 6.6.3)

18. Enter priority rules for permissive lefts, right turns on red, pedestrian

crosswalks (cf. section

6.6.1)

19. Create dwell time distributions and place transit stops in network (cf.

sections

5.2.6 and 6.5.1)

20. Create transit lines (cf. section 6.5.2)

21. Setup for output files, e.g. travel time segments, delay segments, queue

counters, data collection points (cf. chapter

10).

22. Run the simulation (cf. section 7.1).

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