Jeffrey Transportation #9152439
Game studiosENtrainsrailwayopen-source
Description
Hello and welcome to the official Jeffrey Transportation group! Here, you can find and get all of JT's latest trains! Of course, all of them are completely open-sourced and free to use. You can find our trains in our Train Shop game. What is JT? JT is a train and railway infrastructure company founded by Jeffrey Y. S. We specialize in simple, easy-to-use railway technologies that do not require scripts and do not cause lag.
Written by the group; not a statement by this register.
Membership history
Growth
Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.
| Measured (UTC) | Members | Change |
|---|---|---|
| 12 Aug 2026, 00:13 | 31 | first reading |
Ownership
Owned by MarylandDOT (@epicjeff1999) as measured.
Experiences
Experiences this group owns, by lifetime visits. Live-player counts are from our last measurement.
Members we’ve seen
MarylandDOT (@epicjeff1999) — Founder (rank 255)
RobloxianX (@robloxian9000x) — Lead Builders (rank 254)
Night (@der0412) — Member (rank 1)
A sample — only members this register has independently measured, highest rank first. Not the full roster.
Rank structure
Roles and per-rank member counts as Roblox reports them (rank 0 = guest … 255 = owner).
Related groups
Groups whose measured members overlap with this one — a sample from our membership graph.
Open data
Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)
Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.