Across
Support poles placed inside track (7)
I haven't cracked this one yet — but Fifteensquared have:
N S (poles) in SPOOR (track)
Surface of mine, which allows for quick maintenance (7)
I haven't cracked this one yet — but Fifteensquared have:
PIT’S TOP (surface of mine)
Broadcast rally includes some Roman stars (5)
Spooner understands badge is part of mast (5,4)
Negotiates to win tip for these servers (10)
Imagine writer dropping names? It's a sign (3)
Exploding on some toilet — it's a matter of urgency (2,4,2,4)
In theory, time for a period of study (8,4)
Work unit essential for creating synergies (3)
I haven't cracked this one yet — but Fifteensquared have:
Contained in synERGies
Animals damaging a Paris slum (10)
I haven't cracked this one yet — but Fifteensquared have:
An anagram (damaging) of A PARIS SLUM
You can't go when you see one, perhaps (9)
Correct setting for college to bring peace (5)
I haven't cracked this one yet — but Fifteensquared have:
TRUE (correct) round C (college)
It's touching when leader becomes married in absentia (7)
I haven't cracked this one yet — but Fifteensquared have:
When K (king – leader) – or ‘leader’ could simply indicate the initial letter – becomes ‘m’ (married) we get ‘missing’ (in absentia) – but the clue seems the wrong way round: I can’t quite fit ‘in absentia’ into the surface reading kiss = touch as in snooker, for instance
Record destroyed? That's an insult (3,4)
I haven't cracked this one yet — but Fifteensquared have:
A clever triple definition, the third needing a hyphen
Down
Neglected super group almost forced into retiring (6)
Published call for protest (6)
Engineer made cellos and a smaller version (5,5)
Charged Conservative with expensive cover up (5)
I haven't cracked this one yet — but Fifteensquared have:
A reversal (up, in a down clue) of DEAR (expensive) round C (conservative)
Good form of one paid to imbue king with devotion (9)
I haven't cracked this one yet — but Fifteensquared have:
PRO (one paid) round R (king) in PIETY (devotion) – again, this seems the wrong way round: to imbue means to permeate or instil, so here it’s the devotion that’s being imbued by the king
Express disapproval about a chore (4)
I haven't cracked this one yet — but Fifteensquared have:
TSK (express disapproval – although I can find this only as an exclamation rather than a verb eg ‘tut’) round A
This joint let's you go, if you get it? (3,5)
Access old information to discover source of disease (8)
I haven't cracked this one yet — but Fifteensquared have:
PATH (access) O (old) GEN (information)
Enjoy consuming strange Tibetan pop (3,7)
One in congress bottling it but making an impression (9)
I haven't cracked this one yet — but Fifteensquared have:
I (one) MATING (in congress) round (bottling) IT
Surprisingly, UK calmed by this ineffectual person (4,4)
Doctor who thought suffering and bereavement were for the best (8)
He sang about game like this (6)
It's behind the evacuation of Amiens, Toulouse and Rouen (6)
Exercise allows one to delay retiring (3,2)
Some points of interest raised in civic offices (4)
Type letters or click words in the clue