[jfk13]

Look back a little, and before the M1 we had the Great North Road https://en.wikipedia.org/wiki/Great_North_Road_(Great_Britai..., which I think comes much closer to "iconic" status.

And yes, it appears in songs: https://www.youtube.com/watch?v=ZH1buq3Ks0I

[dash2]

GOOD GOD, Sting! This is even worse than Kula Shaker. Hmm, OK, that's quite a decent song.