Using Custom Dialogue Character Codes you can fix that mistake & restore these lines in-game.
Here is the code that fixes that:
[CharacterCodes]
traffic3=Vf1
traffic4=Vf2
Or you can download if you're too lazy to fix it yourself.Download
[CharacterCodes]
traffic3=Vf1
traffic4=Vf2
Or you can download if you're too lazy to fix it yourself.