Edits the following existing roundabout designs:

• Vehicle Envelopes Design Method - Transoft
• Vehicle Envelopes Design - Australian
• Turbo Roundabout Vehicle Envelopes Design Method
• Mini Roundabout Vehicle Envelopes Design Guidelines
• Regional Design Method
  • French
  • British
  • German
• Adaptive Roundabout Type
• FDOT Geometric Design Method