- Provide Advance Warnings

This page shows the collection of processes that are responsible for predicting likely conditions at the HRI and providing advance warnings where warranted.

The key points about the facility are as follows:
- Detect HRI closure,
- Detect vehicle/train collisions.

There are two processes defined as Process Specifications (PSpecs) in this collection:

1) Close HRI on Detection (
2) Detect Imminent Vehicle/Train Collision (

Parent Collection: 1.6.1 - Manage HRI Traffic Volume