answersLogoWhite

0


Best Answer

It is an indicator light to signify a door is open.

User Avatar

Wiki User

14y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What does the yellow light on top of the front of a London Underground train mean?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What colour is the Northern Line on the London Underground?

The Circle line is yellow.


Is London's light rail underground or overground?

it is neither in underground or overground. it is a separate system.


Is the yellow spider light yellow or is it dark yellow?

light yellow


What if you pass yellow light at a traffic light and it turns red right afterwards and your rear-wheel-drive is still behind the white lane Will that still be considered a penalty or something?

No, the white line is for your front bumper. If your front bumper passes the white line on yellow, that's just going through a yellow light, which isn't illegal. You can call it a close call, but not illegal.


What are car stereo wiring color codes for Chevrolet Colorado?

Left front= gray and tan Right front= dark green and light green Left rear= yellow and brown Right front= dark blue and light blue


What does a yellow exclamation warning light on the dashboard of a Volkswagen Jetta mean?

This indicates the front brake pads are worn.


Where is the puzzle piece underground on poptropica?

You climb the light underground


What is the difference between London's light rail system and underground system?

The London Underground (commonly called the Tube) is a conventional underground railway (Métro) in London. It has 11 lines which run Underground through the centre of London.The Underground serves 270 stations and has 402 Km of track, 45 per cent of which is undergroundIt incorporates the oldest section of underground railway in the world, which opened in 1863; and the first line to operate electric trains, in 1890.The Docklands Light Railway (or DLR) is a physically separate system first opened in 1987. It has 45 stations and 34 km of track.It was built as a low-cost, low-capacity link to the Docklands redevelopment area. It has since expanded, and become a higher capacity system of many lines which serves East London.It is an automatic driver-less system. The DLR runs mostly on elevated tracks, but the one line that goes into central London is underground.There is also a tram system in south London, centered on Croydon.


Where can i get a 1998 Ford Explorer stereo wiring diagram?

1998 Ford Explorer Stereo Wiring Constant 12V+ Light Green Switched 12V+ Yellow/Black Ground Black Illumination Light Blue/Red Antenna Trigger orange/Blue Left Front (+) Orange/Light Green Left Front (-) Light Blue/White Right Front (+) Dark Green/Orange Right Front (-) White/Light Green Left Rear (+) Gray/Light Blue Left Rear (-) Tan/Yellow Right Rear (+) Orange/Red Right Rear (-) Brown/Pink


What color or colors of light are transmitted by a piece of yellow glass?

Red and green light. Yellow glass transmits yellow light. Yellow light is a combination of red and green light. Therefore yellow glass transmits red and green light and absorbs blue light.


What is the Speaker Wire Routing for a 1994 Chevrolet Silverado?

right front - dark green + light green left front - grey + tan right rear - light blue + blue left rear - yellow + brown


What colors do you mix to get light yellow?

yellow and white. light green and yellow orange yellow and white