Jenkins, S.E
Optical and photometric standards for variable message signs . - Vermont South, Victoria : Australian Road Research Board, 1991. - 16 p. : ill. ; 30 cm. - Irregular - Research report ARR; 216 .
0518-0728
Electronic traffic controls.
Traffic signs and signals--Standards .
Variable message signs.
TE145 Jen
Optical and photometric standards for variable message signs . - Vermont South, Victoria : Australian Road Research Board, 1991. - 16 p. : ill. ; 30 cm. - Irregular - Research report ARR; 216 .
0518-0728
Electronic traffic controls.
Traffic signs and signals--Standards .
Variable message signs.
TE145 Jen