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4.0 Geometric and Safety Design

4.8.2 Survey Results

Q0017 Plaza approach and departure lighting is provided by:
 
No.
%
High mast - multiple luminaries
8
35%
Tower - single or dual luminaries
2
9%
Std. pole and mast arm - single luminaire
12
52%
Other
1
4%
Total
23

As seen in the Table below, toll lane lighting is most commonly provided by canopy mounted luminaires.
Column/pole mounted luminaires are next most popular, with booth mounted luminaires least common.

Q0018 Plaza lighting is provided by (check all that apply):
 
No.
%
Canopy mounted luminaire
17
57%
Booth mounted luminaire
3
10%
Column/pole mounted luminaire
10
33%
Total
30

Table below shows the type of luminaire used to light the plaza approach and departure zones.
High pressure sodium is the most popular.

Q0019 Luminare used to light the plaza is (check all that apply)?
 
No.
%
Halogen
0
0%
High pressure sodium
16
73%
Metal halide
3
14%
Mercury vapor
1
5%
Fluorescent lights
2
9%
Total
22

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Federal Highway Administration - United States Department of Transportation