TT #195 · Parashas Shoftim · Fifth Aliyah · Passuk 19:03
You shall prepare the way for yourself, and divide into three the border of your land that the Eternal your God will cause you to inherit, and it shall be for every killer to flee there.
Torah Temimah points to Makkot 10b.
TT lemma: תָּכִין לְךָ הַדֶּרֶךְ.
English: ‘You shall prepare the way for yourself’ – ‘Refuge, Refuge’ was written at the crossroads.
Derash on the preparation of the roads (Bavli) — the verse is the source for the signage and clear paths.
The roads to the cities of refuge must be prepared and marked so that the accidental killer can reach them without delay.