I think you're probably right about it being Transport Heavy, Jock Kinneir and Margaret Calvert's 1963 design for UK road signs.

I've always had the impression that Kinneir did most of the font and Calvert did most of the symbols.

Richard

Cool, thanks. That's pretty sophisticated for Gaza...
And I didn't realize the font was available for pubic use.

hhp

pubic, schmubic… let's call the whole thing off…

but seriously(?!), I didn't think about it this morning, they're using the wrong weight.

Transport comes in two weights, heavy for use on a light ground and medium on dark grounds.

For those who are interested, further particulars can be found here

Richard