Track pizza

{
  "id": "MLC-T-IND-006104",
  "term": "Track pizza",
  "field": "Industrial and trades",
  "definition": "A temporary, portable train stop device placed on the railhead to protect a work zone from unauthorized train movements. The device, often a bright yellow wedge-shaped block, is designed to derail any rolling stock that passes over it at low speed, providing a physical last line of defense for workers on the track. It is named for its resemblance to a slice of pizza.",
  "synonyms": [
    "one under"
  ],
  "subject": "Rail equipment",
  "see_also": [
    "one under"
  ],
  "translations": {
    "de": "track pizza",
    "es": "pizza de vía",
    "fr": "pizza de voie"
  },
  "url": "https://mlchart.com/terminology/industrial/track-pizza/"
}