Disney World Attraction Just Hit a Major Milestone
Big Thunder Mountain Railroad reached a major construction milestone this week with the installation of the final track piece at Magic Kingdom.
Golden Spike Ceremony Details
Walt Disney World held a traditional golden spike ceremony to mark the completion of the completely rebuilt track. The ceremony involved driving golden spikes into the final piece of steel track.
Historical Tradition: The golden spike ceremony honors American railroad history. When the Transcontinental Railroad was completed in 1869, workers drove a ceremonial golden spike at Promontory Summit, Utah. This tradition continues in major railroad construction projects.
What Disney World Project Leaders Are Saying
Stephen Murphy, Senior Project Manager: “This project represents what being a Cast Member is all about—protecting a legacy while preparing it for the future. I take pride knowing our work will keep this tradition alive for generations to come.”
Emily York, Associate Project Manager: “Watching the first vehicle roll onto the new track was surreal. This project has been a true labor of love.”
Wesley Kashula, Program Field Representative: “It takes an army to achieve something of this scale. My hope is that Guests feel the same excitement and joy they’ve always associated with Big Thunder—only elevated.”
Refurbishment Team Collaboration
According to Disney’s press release, teams from across Walt Disney World worked together on the Big Thunder Mountain refurbishment:
- Walt Disney Imagineers
- Engineers
- Construction crews
- Technology experts
The collaborative effort focused on refreshing the classic attraction while maintaining the core experience that has made it popular since 1980.
Track Rebuild Significance
The steel track has been completely rebuilt, replacing infrastructure that has been in place for over 40 years. Track replacement required:
- Precision engineering
- Exact measurements
- Careful alignment of each section
- Meticulous installation for safety and smooth operation
Completing the track represents a critical construction phase in the overall refurbishment timeline.
Remaining Work Before Reopening
While track completion is a major milestone, significant work remains:
Vehicle Testing: New ride vehicles need extensive testing cycles on the rebuilt track to ensure safe and smooth operation.
Animatronics Installation: Refreshed Audio-Animatronics figures must be installed and programmed throughout the attraction.
Interactive Elements: Mountain elements designed to “push back against you” during the ride require implementation and testing.
Themed Additions: Gold props being incorporated for the first time need placement throughout the attraction.
Opening Scene: The transformed Rainbow Caverns opening scene with bats and phosphorescent pools needs completion.

Spring Reopening Timeline
Disney has announced Big Thunder Mountain Railroad will reopen this spring. No specific date has been provided.
Spring at Walt Disney World typically includes:
- March
- April
- May
The golden spike ceremony in mid-January suggests Disney remains confident in the spring timeline. Celebrating track completion now indicates the project is progressing according to schedule.
What Disney World Guests Will Experience
When Big Thunder Mountain reopens, the refurbishment will deliver multiple enhancements:
- Brand new ride vehicles
- Comprehensively refreshed Audio-Animatronics
- Interactive mountain elements
- Gold props throughout the attraction
- Restored effects that have been inoperable
- Transformed Rainbow Caverns opening scene
These improvements represent substantial investment in updating the 1980 attraction to contemporary standards while preserving its classic character.
Construction Progress
The track completion moves the refurbishment from heavy construction phase into final installation and testing. With the steel track rebuild finished:
- Heavy construction equipment can be removed
- Remaining work can progress more efficiently
- Testing protocols can begin
- Final elements can be installed
Why This Disney World Milestone Matters
Big Thunder Mountain Railroad has been closed for nearly a year. The extended closure created a noticeable gap in Magic Kingdom’s attraction lineup, particularly affecting Frontierland.
Track completion provides tangible evidence that:
- The refurbishment is progressing toward completion
- The spring reopening timeline remains achievable
- Major construction obstacles have been overcome
- The project is moving into final phases
For guests who have missed Big Thunder Mountain during its absence, the golden spike ceremony marks genuine progress toward the attraction’s return.
Looking Ahead
The coming weeks and months will focus on testing, installation, and final preparation. Disney will need to:
- Complete vehicle testing on new track
- Install and program all refurbishment elements
- Conduct safety inspections and certifications
- Train Cast Members on updated attraction
Once these steps are complete, Big Thunder Mountain Railroad can return to operation with all the enhancements the year-long refurbishment has delivered.





