> ## Documentation Index
> Fetch the complete documentation index at: https://docs.tisabs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Survey operations

> Overview of the TIBS survey and operations service

## What it is

The survey and operations service supports approved programs that rely on
structured fieldwork, assignments, and operational review.

It is not part of the general public rider experience.

## What it is used for

This service supports work such as:

* survey participation
* field assignments
* vehicle and route observations
* project-based operational workflows
* expense and payout-related processes

## Main experiences

Participants may use this service to:

* sign in to approved programs
* start and end field sessions
* claim or release assignments
* submit survey observations
* manage approved workflow steps related to participation

Administrators may also use it to:

* review submissions
* manage assignments
* support participant operations

## Who it is for

This service is for:

* approved surveyors
* project participants
* program coordinators
* authorized administrators

## Service address

`https://vdc.tisabs.com`

## How it connects to the rest of TIBS

The survey service connects with the wider platform by:

* supporting structured data collection
* sharing sign-in with other TIBS services
* linking participation requirements, legal documents, and operations workflows

## Looking for technical detail?

For developer and integration material, continue to:

* [Platform development](/development)
* [API introduction](/api-reference/introduction)