Transit OS

Guides

Written to be useful whether or not you ever buy anything.

8 guides on the problems that come up at small-agency scale. No claim without a source, and no advice we would not give you on the phone for nothing.

Close view of weathered working hands holding a creased paper timetable annotated in pencil, resting on a denim-clad knee.
Plate 11Marked up by hand, because the printed version stopped being true in March.
01

Data & feeds

Data & feeds

Publishing GTFS when there are five of you

A plain walkthrough of what a GTFS feed is, the seven files that actually matter, how to get yours onto Google and Apple Maps, and what breaks it six months later.

02

Getting started

Getting started

Getting off the spreadsheet

Why small agencies still schedule in Excel, what genuinely goes wrong when they do, and how to move to something better without a six-figure procurement.

Getting started

Evaluating software you will barely use

A buyer's guide for small agencies: the questions that actually predict whether a system will be used, the pricing traps to name out loud, and what to insist on in writing.

Getting started

What a rider's phone downloads

We measured what small transit and heritage railway websites weigh on a phone, and what that costs a rider standing at a stop. The findings, and the five fixes worth doing first.

03

Money

Money

Planning past September 2026

Infrastructure Investment and Jobs Act authorisation runs out in September 2026. What small agencies can do now that does not depend on knowing what replaces it.

04

Compliance

Compliance

NTD reporting without the dread

The reporting concepts small agencies trip over — service hours versus revenue hours, unlinked passenger trips, deadhead — and how to capture them without a second data-entry job.

Compliance

Security when nobody's job title says security

Around thirty percent of 2025 breaches involved a third party. Here is the short list of things a small agency can do without a security budget, ordered by what actually reduces risk.

05

Operations

Operations

When the person who knows everything retires

Institutional memory is the largest undocumented asset at most small agencies and heritage railroads. A practical method for getting it out of one head before you need to.