Added and replaced various environment assets: Catenary wires, ads, background buildings, etc.

Removed and consolidated ad textures and materials that used similar parameters.

Combined some assets based on their location to better optimize environment on low-end hardware.

Removed texture filtering on various texture maps.

Altered intro flyby cams.

Made some changes to a force push that pushed a little too hard.

Also it's snowing now for the time being. :)

Fixed pit lane route issue.

Updated track to be consistent with the reverse track.
Water distortion added to underground area.
Welcome Intercom volume decreased.

April 1st edits removed.

Obviously this is an April 1st update. Will reverse the changes as soon as I can. ;)

Fixed issue where survival mode models were projected over the original models in normal races. Performance should be restored.

Survival Mode updated.