X Marks the Spot solution
by Kegler

As described by 14 Across 29 Across, RAILROAD CROSSING, seven pairs of entries cross at RR.

X Marks the Spot solution grid

Across
1RIPEST (STRIPE anag)
5MY(R + R) + HS
9ER + RAT + A (rev)
10LE(ONO)RA (REAL anag)
12DE(T)ER
13DE LA WARR (A DRAWLER anag)
14RAILROAD
17POOR RISK (PRIOR OKS anag)
19R + H(YM)E (MY rev)
21E + CLAT (TALC rev)
23CO(B)OL
25LASS + O
27STY + RENE
29CROSSING
32B(LUEF)IN (FUEL anag)
34S(L)OBS
35SE(R + RAT)ED
36LA + RRUP (rev)
37LYRES ("LIARS" hom)
38RE + M(ARR)Y
Down
1RED + O
2I + R + REVO + CABLE (OVER rev)
3PATROL (PORTAL anag)
4SARI (hidden)
5MEERKAT ("MERE CAT" hom)
6R + RNA (RAN anag)
7HOWDY (WHY DO anag)
8HARRY (2 defs)
11RAYMOND BURR (BRANDY RUM OR anag)
15ARRAyS
16ORC (ROC anag)
18SI + SS + I(E)S
20HOt + RN
22TOOl
24BEG + OR + pRAy
26S + CURRY
28TBSP (1st letters)
30ISLE (LEIS anag)
31ESPY (hidden)
33EARtha