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This guide walks you through creating delays for a project and drawing the lines that define where traffic slows down.

Steps

  1. Open your project page.
  1. In the Delays section, click New delays.
      2. Empty delays list.
      Empty delays list.
  1. Set a Name, an optional Description, and pick the Network the delays should apply to. Click Create delays.
      2. To create delays, click create delays. Optionally change name/description.
      To create delays, click create delays. Optionally change name/description.
  1. You land on the delays editor. The map shows the network for the chosen commit.
  1. Click + Draw delay line and click points on the map to trace the affected road. Click the last point again (or double-click) to finish the line. Press Esc to cancel.
      2. Draw a line on the road where you want the delay to be and a line will be matched to the road.
      Draw a line on the road where you want the delay to be and a line will be matched to the road.
  1. For each line, set a Speed (km/h) OR a Delay (seconds). The other field shows the equivalent value based on the road's free-flow speed, so you can sanity-check the conversion.
      2. Assign a max speed or a delay in seconds to the line after drawing it.
      Assign a max speed or a delay in seconds to the line after drawing it.
  1. Repeat for each stretch. Every line is saved automatically.

Tips

  • The grey line shows what you drew; the coloured ribbon shows the matched road edges the routing engine will actually slow down. The gradient runs from red at 5 km/h through orange at 15 km/h to yellow at 30 km/h and above.
  • Drag a vertex to move it. Click the ▶ midpoint marker to insert a new vertex between two existing ones. Right-click a vertex for a delete option.
  • Use + Pick intersection to seed a slowdown on every incoming approach to a junction — useful for modelling traffic-light or roundabout delays in one click.
✅ Your delays are ready to attach to a scenario.
Next: Attaching delays to a scenario
Delays
Attaching delays to a scenario
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Creating delays
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