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Tip

Road networks in Haul Infinity have:

Default speeds,
Global Maximum speeds and Final speeds,
Signposted speeds,
Cornering speeds and Ramp speeds.

Wherever two speed settings conflict, the lowest speed will be chosen.

Table of Contents

Default Speeds

Whenever a new segment is drawn, it is automatically signposted at the default speeds.

Trucks can travel up to (but not more than) the Max Speed.
Trucks exit the segment up to (but not more than) the Final Speed.
Haul Infinity automatically assigns speed limits to loaded/unloaded trucks based on the inputs in the Limits step > Speed Limits table.
Trucks always choose the lowest of all applicable speed limits.

Max Speed

To change the network default Maximum speed:

Go to Tools > Project Settings > General > Network Defaults > Max Speed.
Change the Max Speed to 60 km/h.

Note that even if you specify a higher speed by the speed sign or in the Limit setup step, a lower one will always be applied. So if you need to increase the speed limit on certain road sections but it is not being implemented, pay attention to this max speed value, which is set to 40 km/h by default.

segments adjusted fin

Final Speed

The Final Speed is for situations where a truck may (example A) enter a road at 40 km/h, slow down to 15 km/h through an intersection, and then accelerate back to 40 km/hr. In this case, the Max Speed is 40 and the Final Speed is 15.

You may notice that example (B) is basically useless. In fact, it is worse than useless, because if we change a speed limit to 50 km/h in the future, now the entire length of the road will have (by default) 40 km/h slow points at every single segment exit.

Compare this to example (C), where the truck never travels faster than the speed limit, so the default Final Speed has no effect. This is the correct use of the feature. Final Speeds should be specified by exception, not as a rule.

The default Final Speed should be 99 km/h in every project.

Example	Max Speed	Final Speed	Behaviour
A	40	15	The truck can travel up to 40 km/h anywhere on the segment, as long as it slows down to less than or equal to 15 km/h on exiting the segment.
B	40	40	The truck can travel up to 40 km/h anywhere on the segment, as long as it slows down to less than or equal to 40 km/h on exiting the segment.
C	40	99	The truck can travel up to 40 km/h anywhere on the segment, as long as it slows down to less than or equal to 99 km/h on exiting the segment.

Road Signage

Tip
Speed signage is displayed where there is a change in speed between two segments, or at the end point of a road.

The Road Signs menu can be found in the top right panel with the Overlays and Flags menus.
Additional signs are available in the To Show dropdown box.
- To add, expand the To Show dropdown menu and select the signs you want to see in the panel above and be able to apply to the road sections.

Road signs types

Speed Limits	Slow Points and Stop Signs		No Entry signs

Maximum allowable speed across the segment.	Maximum exit speed from the segment.		Speed limit of zero, which prevents trucks travelling along that segment.
Trucks are restricted to this maximum speed.	Slow point - Trucks slow down to the specified speed approaching this sign (before they exit the segment), then speed up.	Stop and wait - Trucks stop and wait at this sign for the number of seconds.	Trucks cannot enter from this direction (but may exit).

Road signs direction

Speed signs are applied to the segments towards which they are inclined.

Applying Speed Signs

There are different ways you can use to set speed limits on your project network.

Dragging signs onto the network

Tip
Road signs can be dragged and dropped onto the network to reproduce the site road rules.

Go to the Network tab and in Nodes panel choose a node and double click on it.
Locate the Road Signs panel to the right of the Viewport.
Select a 20 km/h sign and drag it onto the road approaching the node.
Speed limit of 20 km/h will be applied to the road approaching this node.

Setting Speed Limits on Selected Segments

Tip
Speed limits can be set to the selected segments/roads of the network.

Double click the road of interest (example, entry road to the Stockpiles/Crusher, in pit roads, dump ramp).
Right click > Set Speed Limit on Selected Segments > 30 km/h.
Speed limit of 30 km/h will be applied to the segments/road selected.

Setting Final Speed on Selected Points

Tip
Final Speed limits can be set to the selected points of the network.

Double click the point of interest (example, intersection or access road entry).
Right click > Set Final Speed on Selected Points > Slow 20.
Trucks will slow down to 20 km/h when approaching this point.

Changing Speed Limits

To change the speed limit, simply drag and drop other road sign over the existing one, or apply speed limit on the selected segments via right-click option, as describes above.

Removing Road Rules

Stop signs and slow points can be removed from segments via the right click menu.

Select segment(s) > right click > Clear Slow Point and Stop Signs.
All Slow points and Stop signs will be removed from the selected segments/road.

Speed signs are never "removed" because all segments have a speed. Speed signs will be visible whenever there is a change in speed: at a terminal point, at an intersection, or anywhere on the road you have dropped a sign. To make a sign invisible, change the speed limit to be equal to the neighboring segments.

Example

Find a road with a 40 km/h speed limit.
Drag a 20 km/h sign onto the road. The sign is visible because there is a speed change from 40 to 20 km/h.
Drag a 40 km/h sign over the top of the 20 km/h sign. The sign will disappear, because there is no speed change along the segment.

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