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Figure 4D-3. Typical Arrangements of Signal Lenses in Signal Faces
This figure shows 21 typical arrangements of signal lenses in vehicular
signal faces (denoted as Arrangements a through u).
- Vertically arranged signal face with 3 signal lenses: from top
to bottom, circular red, circular yellow, circular green
- Horizontally arranged signal face with 3 signal lenses: from
left to right, circular red, circular yellow, circular green
- Vertically arranged signal face with 3 signal lenses: from top
to bottom, left-turn red arrow, left-turn yellow arrow, left-turn
green arrow
- Horizontally arranged signal face with 3 signal lenses: from
left to right, left-turn red arrow, left-turn yellow arrow, left-turn
green arrow
- Vertically arranged signal face with 4 signal lenses: from top
to bottom, circular red horizontally adjacent to circular red,
circular yellow, circular green
- Horizontally arranged signal face with 4 signal lenses: from
left to right: circular red, circular red, circular yellow, circular
green
- Vertically arranged signal face with 4 signal lenses: from top
to bottom, circular red, circular yellow, circular green, left-turn
green arrow
- Horizontally arranged signal face with 4 signal lenses: from
left to right, circular red, circular yellow, left-turn green
arrow, circular green
- Vertically arranged signal face with 4 signal lenses: from top
to bottom, circular red, circular yellow, straight-through green
arrow, left-turn green arrow
- Horizontally arranged signal face with 4 signal lenses: from
left to right, circular red, circular yellow, left-turn green
arrow, straight-through green arrow
- Vertically arranged signal face with 5 signal lenses: from top
to bottom, circular red, circular yellow, straight-through green
arrow, left-turn green arrow, right-turn green arrow
- Horizontally arranged signal face with 5 signal lenses: from
left to right, circular red, circular yellow, left-turn green
arrow, straight-through green arrow, right-turn green arrow
- Vertically arranged signal face with 5 signal lenses: from top
to bottom, circular red, circular yellow, circular green, left-turn
yellow arrow, left-turn green arrow
- Horizontally arranged signal face with 5 signal lenses: from
left to right, circular red, circular yellow, left-turn yellow
arrow, left-turn green arrow, circular green
- Vertically arranged signal face with 5 signal lenses: from top
to bottom, circular red, left-turn yellow arrow horizontally adjacent
to circular yellow, left-turn green arrow horizontally adjacent
to circular green
- Horizontally arranged signal face with 5 signal lenses: from
left to right, circular red, circular yellow, left-turn yellow
arrow, left-turn green arrow, straight-through green arrow
- Vertically arranged signal face with 5 signal lenses: from top
to bottom, circular red, circular yellow horizontally adjacent
to right-turn yellow arrow, circular green horizontally adjacent
to right-turn green arrow
- Horizontally arranged signal face with 5 signal lenses: from
left to right, circular red, left-turn yellow arrow, left-turn
green arrow, right turn yellow arrow, right-turn green arrow
- Vertically arranged signal face with 5 signal lenses: from top
to bottom, circular red, circular yellow, circular green, right-turn
yellow arrow, right-turn green arrow
- Horizontally arranged signal face with 5 signal lenses: from
left to right, circular red, circular yellow, circular green,
right-turn yellow arrow, right-turn green arrow
- Vertically arranged signal face with 5 signal lenses: from top
to bottom, circular red, circular red, circular yellow, circular
green.
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