You can set certain parameters shown below as the default for new intersections added to the network. This is done through Edit > Global Settings.
Table 1: Global Settings Parameter Set
|
Global Parameter |
Default Setting |
Optional Settings |
|
Language * Note: if available, menus, tool tips, and grid elements are fully translated for these languages. |
English |
*Deutsch |
|
Direction of Traffic *Note: Direction of Traffic must be set before inserting objects in Vistro and cannot be updated after objects are inserted. |
Right-hand traffic |
Left-hand traffic |
|
Unit *Note: Can only be set in the base scenario. Scenarios cannot present to change units. |
Imperial |
Metric |
|
Analysis Method for Signalized Intersections |
HCM 6th Edition |
HCM 7th Edition, HCM 2010, HCM 2000, ICU1, ICU2, Circular 212 Planning, Canadian Capacity Guide (CCG), 3rd Edition |
|
Analysis Method for Un-Signalized Intersections |
HCM 6th Edition |
HCM 7th Edition, HCM 2010, HCM2000 |
|
Analysis Method for Roundabouts |
HCM 6th Edition |
HCM 7th Edition, HCM 2010, Kimber |
|
Default Lane Width (ft) |
12.0 |
≥0 |
|
Speed (mph) |
30.00 |
≥0 mph |
|
Pedestrian Crosswalk Width (ft) |
8.00 |
≥0 |
|
Right Turn on Red? |
Yes |
No |
| Right Turn on Red Method | Absolute Value | Percentage |
| Right Turn on Red Percentage (%) | 100.00 | ≥0 |
|
Splitter island Length ( ft) |
10.00 |
≥0 |
|
Splitter island Width (ft) |
20.00 |
≥0 |
|
Heavy Vehicle Percentage (%) |
2.00 |
0 – 100 % |
|
Proportion of CAVs (%) |
0.00 |
100.00 |
|
Growth Factor |
1.0000 |
>= 1.0000 |
|
Default Ideal Saturation Flow rate, HCM (pc/h/ln) |
1900 |
≥0 |
|
Default Ideal Saturation Flow rate, ICU 1 (veh/h) |
1600 |
≥0 |
|
Default Ideal Saturation Flow rate, ICU 2 (veh/h) |
1600 |
≥0 |
| Final Saturation Flow Rate Method | Calculate | Use Values from Global Settings |
| Final Saturation Flow Rate, Left Turn, 1 Lane | 1750 | ≥0 |
| Final Saturation Flow Rate, Left Turn, 2 Lanes | 3150 | ≥0 |
| Final Saturation Flow Rate, Left Turn, 3 Lanes | 4550 | ≥0 |
| Final Saturation Flow Rate, Left-Through, 1 Lane | 1800 | ≥0 |
| Final Saturation Flow Rate, Through, 1 Lane | 1900 | ≥0 |
| Final Saturation Flow Rate, Through, 2 Lanes | 3800 | ≥0 |
| Final Saturation Flow Rate, Through, 3 Lanes | 5700 | ≥0 |
| Final Saturation Flow Rate, Through, 4 Lanes | 7600 | ≥0 |
| Final Saturation Flow Rate, Right-Through, 1 Lane | 1800 | ≥0 |
| Final Saturation Flow Rate, Right Turn, 1 Lane | 1750 | ≥0 |
| Final Saturation Flow Rate, Right Turn, 2 Lanes | 3150 | ≥0 |
| Final Saturation Flow Rate, Right Turn, 3 Lanes | 4550 | ≥0 |
| Final Saturation Flow Rate, Left-Through-Right, 1 Lane | 1750 | ≥0 |
|
Default PHF |
1.00 |
0-1.00 |
|
Analysis Period |
15 min |
1 hr |
|
Located in CBD |
Yes |
No |
|
Major Flow Direction |
North-South |
East-West |
|
Northbound Signal Group |
6 |
2,4, 8 |
|
Northwestbound Signal Group |
6 |
2,4, 8 |
| Northeastbound Signal Group (major) | 2 | 4, 6, 8 |
| Eastbound Signal Group (major) | 2 | 4, 6, 8 |
|
Lead/Lag Setting |
Lead |
Lag |
|
Cycle Length (s) |
90 |
0-255 |
|
Coordination Type |
Time of Day Pattern Coordinated |
Time of Day Pattern Isolated, Free |
|
Actuation Type |
Fixed Time |
Fully Actuated, Semi-Actuated |
|
Offset Reference |
LeadGreen – Beginning of First Green |
Beginning of Both Green; Beginning of First Yellow; Beginning of First Red; Beginning of First Flashing Don’t Walk; LagFO; LagEnd; CoordEnd; |
|
Permissive Mode |
Single Band |
Multi-Band, Reservice |
|
Intersection Lost Time (s) |
0 |
0-(cycle length-0.1) s |
|
Minimum Green, Through (s) |
10 |
0-255 s |
|
Minimum Green, Left (s) |
5 |
0-255 s |
|
Amber (s) |
3.0 |
0-255 s |
|
Allred (s) |
1.0 |
0-255 s |
|
Vehicle Extension (s) |
3.0 |
0-25.5 s |
|
Walk (s) |
5.0 |
0-255 s |
|
Pedestrian Clearance (s) |
10 |
0-255 s |
|
Street Name Font Size |
8.0 pt |
|
|
PCU Length (ft) |
19,69 |
|
|
Pedestrian Walking Speed (ft/s) |
3,50 |
|
|
CCG Right Turn Pedestrian Formula |
Toronto |
Edmonton, Vancouver |
| Approach directions | Prefer main directions | Use main and secondary directions |
These parameters are described in detail in the relevant sections of this Help. Once these parameters are defined, they will be used as the default value for any new network object you create. These values can be changed at the local level at any time.
