Tunnel Abbreviations and Acronyms

1. UAB
   Underground Alien Bases
2. UDSM
   User Defined Soil Model
3. VD
   Variable Density
4. WHC
   Western Harbour Crossing
5. XBL
   Exclusive Bus Lane
6. XBL
   Express Bus Lane
7. ZLB
   Zero-Length-Body
8. ZLB
   Zero-Length Body
9. ZLB
   Zero Length Body

Last updated: January 4, 2020 — Total entries: 89