Figure 6F-1. Height and Lateral Location of Signs—Typical
Installations
This figure shows four examples of the height and lateral location
of signs for typical installations.
The first illustration is labeled "Rural District." The
roadway is shown with no shoulder. The sign in this example is a
diamond-shaped Road Work Ahead sign. The distance between the edge
of the pavement and the near edge of the sign is shown as a dimension
of 1.8 to 3.7 m (6 to 12 ft). The distance from the bottom edge
of the sign to the level of the edge of the pavement is shown as
a dimension not less than 1.5 m (5 ft).
The second illustration is labeled "Rural District with Advisory
Speed Plate." The roadway is shown with a paved shoulder. The
sign in this example is a diamond-shaped Detour sign with an advisory
speed plaque mounted below it, with the metric alternate signs shown
to the right. The distance between the outside edge of the roadway
and the near edge of the sign is shown as a dimension of 1.8 to
3.7 m (6 to 12 ft). The distance between the outside edge of the
paved shoulder and the near edge of the sign is shown as a dimension
not less than 1.8 m (6 ft). The distance from the bottom edge of
the advisory speed plaque to the level of the edge of the roadway
at the inside edge of the shoulder is shown as a dimension not less
than 1.2 m (4 ft).
The third illustration is labeled "Urban District." The
roadway is shown with a curb along the outside edge of the pavement
and a walkway to the right of the sign. The sign in this example
is a diamond-shaped Road Closed sign with a metric alternate shown
to the right. The distance from the edge of the roadway to the near
edge of the sign is shown as a dimension no less than 0.6 m (2 ft).
The distance from the bottom edge of the sign to the surface of
the curbing is shown as a dimension no less than 2.1 m (7 ft).
The fourth illustration is labeled "Urban District."
The roadway is shown with a curb along the outside edge of the pavement.
The sign in this example is a diamond-shaped Right Lane Closed sign
with a metric alternate shown to the right. The distance from the
edge of the roadway to the near edge of the warning sign is shown
as a dimension not less than 0.6 m (2 ft). The distance from the
bottom edge of the sign to the level of the edge of the travel lane
at the top of the curbing is shown as a dimension not less than
2.1 m (7 ft).
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