ILM’s stunning warp speed sequences in J.J. Abrams’ ‘Star Trek’.  from Cinefex:

Engaging warp drive, the Enterprise enters a tunnel of light, which ILM created using combinations of particle effects and streaking image treatments.  “It was as if the ship was in a tube of warp energy,” commented Eddie Pasquarello.  “Tom Fejes’ team rendered particles, Conny Fauser then created the overall look from streaking effects generated in saber.”