Here are the possible solutions for two way thoroughfares at both ends of this puzzle's long answers clue
Answer
Clue
Relevancy
sts
Clue
"Two-way" thoroughfares at both ends of this puzzle's long answers
"Two-way" thoroughfares (Abbr.)
eon
Clue
Long long long long long long long time
Definition
a long period of time, also AEON
diy
Clue
"Home work" letters that appear at both ends of this puzzle's theme answers
sock
Clue
Bit of footwear that appears at both ends of this puzzle's theme answers
steertsyawowt
Clue
Many thoroughfares ... or what this puzzle's Across answers consist of?
thingsthatfly
Clue
What the ends of eight long answers in this puzzle are
valueofpi
Clue
Subject of an annual March 14 celebration and of this puzzle, celebrated in both a literal and a numerical way in the first square of the starred answers, reading left to right
