Industry group

4851 Urban transit systems

Services urbains de transport en commun

Official definition

This industry group comprises establishments primarily engaged in operating local and suburban mass passenger transit systems. Such transportation may involve the use of one or more modes of transport including light rail, subways and streetcars, as well as buses. These establishments operate over fixed routes and schedules, and allow passengers to pay on a per-trip basis (whether or not they also accept payment methods such as monthly passes).

Classification Reference

Official classification fields for this page

Official classification fields taken from the current StatCan source bundle.

Characteristic Description
Official titleUrban transit systems
ClassificationNAICS Canada 2022 Version 1.0
Publishing authorityStatistics Canada
Hierarchical levelIndustry group
Parent code485 - Transit and ground passenger transportation
International correspondenceISIC Rev. 4; harmonized with US and Mexico NAICS at higher levels.
Sourcehttps://www.statcan.gc.ca/en/subjects/standard/naics/2022/v1/index
Source verification2026-08-13
Canada Business Context

Canada-wide tax and filing context

Canada-wide business, tax, and filing context from the local country pack and tax pack.

Characteristic Description
Tax authorityCanada Revenue Agency (CRA)
Business identifierBusiness Number (BN): 9-digit identifier with program account suffixes such as RT0001 for GST/HST, RP0001 for payroll, and RC0001 for corporate income tax.
Filing requirementsBusiness Number registration; Form T2125 (Statement of Business or Professional Activities) attached to T1; Form T2 (Corporation Income Tax Return); Form T5013; Form GST34
Sector authorityTransport Canada and provincial transportation ministries

Classification Confidence Score

3 of 5 factors passing

6/ 10
Verified official sourcenaics-scian-2022-structure-v1-eng.csv (2026-08-13)
International crosswalkNo international correspondence found
Previous edition migrationNAICS 2017 to 2022 continuity confirmed
Complete hierarchy3 levels confirmed in hierarchy
Size or threshold documentedNot applicable for hub levels
Trade or export matchNo direct HS code correspondence in current bundle
Legacy crosswalkLegacy system (SIC 1980) retired in this region
Business Profiles

When you might need code 4851

Professions specific to this sector are linked to this part of the Canadian classifier so the page speaks to real work teams.

01 4851
Courier station owner

Use this page when the file covers local parcel sorting, pickup windows, last-mile delivery, and driver scanning. It helps confirm whether 4851 Urban transit systems is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

02 4851
Truck fleet dispatcher

Use this page when the file covers freight routes, driver schedules, load planning, and vehicle utilization. It helps confirm whether 4851 Urban transit systems is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

03 4851
Third-party logistics manager

Use this page when the file covers outsourced warehousing, cross-dock flows, carrier booking, and fulfillment contracts. It helps confirm whether 4851 Urban transit systems is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

04 4851
Public transit operations planner

Use this page when the file covers route timetables, service planning, passenger operations, and depot assignments. It helps confirm whether 4851 Urban transit systems is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

Business Map

Business categories in this branch

A rotating set of business activity examples linked to this part of the Canadian hierarchy.

WarehousingFleet supportFreight movementCourier deliveryTerminal operations

Source row

4851Urban transit systems

This page mirrors the source row from the structure CSV and the matching rows from the elements and crosswalk files.

Frequently asked questions

What does code 4851 cover?

Urban transit systems: This industry group comprises establishments primarily engaged in operating local and suburban mass passenger transit systems. Such transportation may involve the use of one or more modes of transport including light rail, subways and streetcars, as well as b...

Which level of the hierarchy is 4851?

It is a industry group page in the NAICS Canada 2026 hierarchy.

What is the parent of 4851?

It rolls up to 485 Transit and ground passenger transportation.

Should I stop at 4851 or go lower?

1 lower-level item(s) sit under this branch: Urban transit systems.

Are official inclusion notes attached to 4851?

No inclusion rows are attached to this page in the local elements file.

Are there exclusion notes for 4851?

No exclusion rows are attached to this page in the local elements file.

Does 4851 include illustrative examples?

No example rows are attached on this page in the local elements file.

What kinds of businesses often start from this page?

Examples in this branch include Warehousing, Fleet support, Freight movement, Courier delivery, Terminal operations.

Is there an ISIC mapping for 4851?

No ISIC correspondence row is attached to this page.

Does this page show a US NAICS reference?

No same-code US NAICS reference row is attached on this page.

Why are both English and French titles shown?

NAICS Canada is bilingual, so the page keeps both language titles visible for comparison and lookup.

Where does the page text come from?

From the local StatCan structure file, elements file, ISIC crosswalk, and the bundled US 6-digit reference workbook.