2022 NAICS national industry in sector 48-49 Transportation and Warehousing
485111 Mixed Mode Transit Systems
NAICS 485111 is the US industry code for mixed mode transit systems. This U.S.
- Code
- 485111 (2022 NAICS)
- Title
- Mixed Mode Transit Systems
- Part of
- Urban Transit Systems
- SBA small business limit
- Average annual receipts up to $29 million
- Closest UK SIC
- 49200 (details)
Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.
Official definition
This U.S. industry comprises establishments primarily engaged in operating local and suburban ground passenger transit systems using more than one mode of transport over regular routes and on regular schedules within a metropolitan area and its adjacent nonurban areas.
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Operating local and suburban passenger transit systems using only one mode of transportation are classified according to the mode of transport.
- Providing support services to transit and ground passenger transportation are classified in Industry Group 4884, Support Activities for Road Transportation.
Activities listed under 485111
The Census index assigns these 6 activities to this code. If your business matches one, this is your code.
- Commuter transit systems, mixed mode (e.g., bus, commuter rail, subway combination)
- Local transit systems, mixed mode (e.g., bus, commuter rail, subway combinations)
- Mixed mode transit systems (e.g., bus, commuter rail, subway combinations)
- Suburban transit systems, mixed mode (e.g., bus, commuter rail, subway combinations)
- Transit systems, mixed mode (e.g., bus, commuter rail, subway combinations)
- Urban transit systems, mixed mode (e.g., bus, commuter rail, subway combinations)
SBA size standard for 485111
To count as a small business for SBA loans and federal contracts under NAICS 485111, your business (including affiliates) must not exceed $29 million in average annual receipts. Check your business.
Source: SBA table of size standards, effective March 17, 2023.
Closest UK SIC 2007 codes
There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 4921), so treat them as a starting point and check the definition.
Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.
Similar codes to compare
Data last changed November 14, 2026. How this page is built.