The vertebral artery traverses all of the following except -
Vertebral artery traverses through vertebral triangle, foramina transversaria of upper 6 cervical vertebrae, suboccipital triangle, posterior atlantooccipital membrane, vertebral canal, pierce duramater and arachnoid (subarachnoid) and passes through foramen magnum to enter posterior cranial fossa (skull).
Foramen magnum
Subarachnoid space
Intervertebral foramen
Foramen transversarium