Mich. Admin. Code R. 408.42237 - Directional signs

Rule 2237.

(1) A directional arrow, other than a traffic control sign, used on a danger, caution, or safety instructional sign shall be black.

(2) A safety related directional sign shall have a white arrow on a black upper panel with the lower panel white and any letters in black.

(3) A directional sign shall use proportions prescribed in table 6

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TABLE 6 STANDARD PROPORTIONS FOR SAFETY DIRECTIONAL SIGNS

SIGN SIZE			BLACK RECTANGULAR PANEL			OVER-ALL LENGTH			MAXIMUM SPACE FOR SIGN WORDING BELOW PANEL
Inches	Millimeters		Inches		Millimeters	Inches	Millimeters		Inches		Millimeters
6 1/2 X 14	163 X 350		3 1/4 X 13 3/8		81 X 334	12 3/8	309		2 1/4 X 13 3/8		56 X 334
9 X 20	225 X 500		4 1/2 X 19 3/8		113 X 484	18 5/8	466		2 3/8 X 19 3/8		59 X 484
12 X 28	300 X 700		6 X 27 3/8		150 X 684	28 3/8	709		4 3/4 X 2 7 3/8		119 X 684
15 X 36	375 X 900		7 1/2 X 35 3/8		188 X 884	34 5/8	866		5 1/2 X 35 3/8		138 X 884
ARROW HEAD HEIGHT WIDTH				ARROW SHAFT HEIGHT				ARROW TAIL HEIGHT WIDTH
Inches		Millimeters		Inches		Millimeters	Inches		Millimeters
2 3/4 X 3		69 X 75		1 1/8		28		2 3/8 X 3 1/4		59 X 81
3 3/4x41/8		94 X 103		1 5/8		41		3 1/4 X 4 1/2		81 X 113
5 1/8 X 5 3/8		128 X 134		2 1/8		53		4 3/8 X 6		109 X 150
6 3/8 X 6 7/8		159 X 172		2 3/8		59		5 1/2 X 7 1/2		138 X 188

Notes

Mich. Admin. Code R. 408.42237

1979 AC; 2001 AACS