JAE Font (From 1998 and adapted from Transport Typeface with the authorization of UK Department for Transport )
Traffic System Typefaces at Portugal: Legislated in 1998 (Decreto Regulamentar 22A/1998)
(J.A.E. – Junta Autónoma das Estradas)

Uppercase Negative – JAE Type 1a
Lowercase Negative – JAE Type 1a
Uppercase Positive – JAE Type 2a
Lowercase Positive – JAE Type 2a
Numerary Negative – JAE Type 1
Numerary Positive – JAE Type 2
Numerary Negative – JAE Type 3

Portuguese Traffic Typeface from 1954, 1959, 1994 and 1998.