![[JPBX] Caltrain](https://tr.rbxcdn.com/180DAY-4ada3a52f3ddde590a41e33742c200a4/150/150/Image/Png/noFilter)
[JPBX] Caltrain #15311647
Game studiosENrail simulatortransportationsimulation
Description
Project Peninsula is an up-and-coming rail simulator featuring realistic graphics and drivetrain systems. With over 30 types of rolling stock planned, This will be one of the biggest simulators on Roblox yet.
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 We do not publish numbers we have not measured.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, 17:31 | 82 | first reading |
Ownership
Owned by grozalunatic (@JPBX914) as measured.
Members we’ve seen
grozalunatic (@JPBX914) — Owner (rank 255)
@justin5logout — Advisors (rank 254)
Canadianluke (@MinecraftCleoTheCat) — Railfan (rank 1)
account_notactive (@Robloxan_RoCity) — Railfan (rank 1)
kenrailfans (@ZoStrelling145) — Railfan (rank 1)
reteP (@georgefreaknyl911) — Railfan (rank 1)
@BakerMayfieldnum6 — Railfan (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.