The vertebral artery traverses all of the following except -
Foramen magnum
Subarachnoid space
Intervertebral foramen
Foramen transversarium
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).