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Figure 10D-1. Examples of Light Rail Transit Signals
This figure illustrates 28 examples of light rail transit signals
for four types of light rail transit routes.
The signals consist of horizontal, vertical, and diagonal white
lines and an equilateral triangle on a circular black background.
Signals for the following four types of light rail transit or LRT
routes are shown: single LRT route, two LRT route diversion to the
right, two LRT route diversion to the left, and three LRT route
diversion. Both three-lens and two-lens signals for these routes
are shown:
- For the single LRT route, the three-lens signal shows a horizontal
line for stop, a flashing triangle for prepare to stop, and a
vertical line for go. The two-lens signal shows a horizontal line
for stop and a vertical line for go. A note states that the "go"
lens may be used in flashing mode to indicate "prepare to
stop."
- For the two LRT route diversion to the right, the three-lens
signal shows a horizontal line for stop, a flashing triangle for
prepare to stop, a vertical line for go straight, and a diagonal
line pointing up and to the right for go to the right. A note
states that the "go" lenses could be in a single housing.
The two-lens signal shows a horizontal line for stop, a vertical
line for go straight, and a diagonal line pointing up and to the
right for go to the right. Notes state that the "go"
lenses could be in a single housing and may be used in flashing
mode to indicate "prepare to stop."
- For the two LRT route diversion to the left, the three-lens
signal shows a horizontal line for stop, a flashing triangle for
prepare to stop, a vertical line for go straight, and a diagonal
line pointing up and to the left for go to the left. A note states
that the "go" lenses could be in a single housing. The
two-lens signal shows a horizontal line for stop, a vertical line
for go straight, and a diagonal line pointing up and to the left
for go to the left. Notes state that the "go" lenses
could be in a single housing and may be used in flashing mode
to indicate "prepare to stop."
- For the three LRT route diversion, the three-lens signal shows
a horizontal line for stop, a flashing triangle for prepare to
stop, a diagonal line pointing up and to the left for go to the
left, a vertical line for go straight, and a diagonal line pointing
up and to the right for go to the right. A note states that the
"go" lenses could be in a single housing. The two-lens
signal shows a horizontal line for stop, a diagonal line pointing
up and to the left for go to the left, a vertical line for go
straight, and a diagonal line pointing up and to the right for
go to the right. Notes state that the "go" lenses could
be in a single housing and may be used in flashing mode to indicate
"prepare to stop."
The following notes are included:
All aspects (or signal indications) are white.
(1) Could be in single housing.
(2) "Go" lens may be used in flashing mode to indicate
"prepare to stop."
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