HOLOPHANE V-MAX

The holophane v-max is a LED street light made by holophane that can have 1- 8 chevrons on it, and each chevron has 16 LEDs in it. 

Heathrow airport

The holophane v-max is a rare street light around here. The only examples I know of are at Heathrow airport. These ones at Heathrow airport have 4 chevrons on them. They are on a valmont stainton columns.