Best In Class
Interactive Routing

Perform fast, high-quality routing of complex projects.

Best In Class
Interactive Routing
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Powerful Interactive Routing

Bottom Line, routing the PCB is what it’s all about. Everything in your product relies on a properly routed board. The tools available in Altium Designer® perform high quality routing of single-ended and differential signals fast and efficiently.

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Strict Compliance
with Design Rules

The rule-driven routing engine ensures you meet your product’s performance demands with the flexibility to achieve even the most demanding routing topologies. Proper connectivity, timing, impedance, and every aspect of your design is constrained to your requirements through the intuitive Constraints Editor allowing quick edits while you work. Plus, the query language enables you to scope even the most granular aspects of your design.

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High Performance Routing

Productivity is all about allowing you to do what you need, your way, with no delay. Route, switch layers, push, hug, change cornering topologies, length tune, change width, cycle via styles, and more with remappable hotkeys, ActiveBar shortcuts, or the intuitive menu structure. And it all conforms to your rules and constraints.


Key Capabilities

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User-friendly Routing Modes

Altium Designer offers multiple Conflict Resolution modes when encountering tight clearances: Push, Walkaround, Stop at First Obstacle are just the start. When you just want to get the rule out of the way and lay down some copper Ignore Obstacles is your friend. Route in tight areas with Display Clearance Boundaries to visualize your clearance and know if it will fit at a glance.

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Gloss and Retrace Tools

The gloss engine runs on sophisticated algorithms to reduce routed lengths, improve angles and reduce their number. Run glossing as a separate interactive process or turn it on and let it automatically keep your routing clean! When your design rules change, the Retrace tool to automatically update your selected routed traces to meet the new constraints.

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Multiple Tracks Routing

Often modern interfaces contain groups of signals that must follow the same path. Interactive Multi-Route allows you to route an entire group of tracks simultaneously.  Increase and decrease bus spacing, switch layers, toggle via pattern all while enjoying the same push and hug modes and cornering styles as single track routing.

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Routing Angle Style

There are times when you need to round corners or route a track at any angle. Altium Designer gives you the freedom to effortlessly switch cornering topologies: 45°, 90° with and without rounded corners, and any angle routing. Snake Routing with smooth obstacle avoidance helps you manage tight board clearances while minimizing track lengths and reducing crosstalk.



We’ve all had to deal with those large handfuls of nets that we wish would just route themselves… Well now they do! ActiveRoute® automates interactive routing technology delivering efficient multi-net routing. You can apply the tool to specific nets or connections selected by the designer. ActiveRoute also allows you to interactively define a route path or Guide to define the river where new routes flow while following applicable design rules.

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Modifying Existing Routes

A common issue that arises when designing a board is how to edit an existing topology. Altium Designer includes smart tools for selecting required objects to change their properties, as well as the ability to move topological objects with automatic pushing and smoothing of the nearest obstacles, saving time and effort.

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High Density Interconnect (HDI) PCB Routing

HDI design is a challenging feat. Tight component placement leaves no room for routing channels, often requiring vias directly in component pads and routing on internal layers making blind, buried, and uVias staple attributes of HDI design. The Layer Stack Manager facilitates defining the requirements for every via stack type with ease. Defined topologies form concentric or crankshaft via stack to bridge necessary layers to achieve the routing requirements. You can even drag existing via stacks to the side to create uVia and crankshaft stacks, automatically placing tracks correctly on any layer.

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High-speed Signal Routing Tools

High-Speed design requires special attention to routing topologies to maintain signal integrity throughout the signal flight path. Impedance profiles use the SIMBEOR®field solver to calculate trace width considering material properties, layer stack correctly, and current routing layer for single-ended and differential signals. Highly advanced algorithms facilitate length and delay tuning, ensuring equal flight time of adjacent signals, while tuning topologies providing the necessary copper traces will fit into allocated space: Accordion, Trombone, and Sawtooth.

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BGA Component Routing

BGA packages may have hundreds of leads and fanout of these high ball count devices can be a daunting task.

Altium Designer offers a configurable tool to automatically fanout the most common component packages including BGAs, giving the user control of the fanout pattern, via geometry, and track width.

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Automatic Re-Routing of Moved Component

It is often necessary to move a previously routed component. In Altium Designer, you can enable the Component Re-Route feature to enable automatic rerouting of moved, previously routed components. This feature in conjunction with automatic copper (polygon) repour, makes moving routed components a snap!

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Convenient Visual Display of Connections and Net Names

When starting out with an unrouted PCB, you will see a myriad of connection lines for unrouted nets which can be both daunting and annoying! Altium Designer gives you multiple options for showing and hiding the connection lines, so you can focus on design tasks. Additionally, you can select, view, and color code  specific nets, net groups, and net classes providing quick visibility to critical path nets, power nets, or any other net feature of interest. Configurable layer visibility and single layer mode display only the relevant information on defined layers.

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Swapping Equivalent Pins During Routing

It is challenging to route high pin count components with multiple crisscrossed connection lines or even high-speed designs where layer changes are not desirable. Altium Designer supports pin and part swapping between equivalent functional pins and gates of components, such as FPGAs and microprocessors, where simple software changes allow the functionality to be swapped or, in the case of multiple-part components gate equivalency may be swapped. Reassigned nets on the board can be easily synchronized back to the schematic.

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Pad Entry Stability

Pad Entry Stability allows for offsets from the center of component pads when routing. This allows flexibility when routing in tight spots and enabling entry from any angle traces.

The Optimal Route to Great Designs

Best in class interactive routing at your fingertips.
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