Video posted to YouTube shows vehicles driving down World Drive when a firework explodes right next to another vehicle after misfiring from the launch site nearby.
https://www.youtube.com/watch?v=-XdV2Djdoo4&feature=youtu.be
It’s quite amazing that Disney decided to put their new fireworks launch point as close to the main artery of Walt Disney World transportation as they did. Here’s a look at how close the road actually is to the new launch site.
Disney does not close down World Drive for any portion of the show.