485111 — Mixed Mode Transit Systems
Description
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 (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Exclusions & Cross-References
- Operating local and suburban passenger transit systems using only one mode of transportation--are
- classified according to the mode of transport; and
- Providing support services to transit and ground passenger transportation--are classified in Industry Group
- 4884, Support Activities for Road Transportation.
Overview Facts
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 4111 - Local and Suburban Transit (via SIC1987:4111→NAICS1997:485111→2002:485111→2007:485111→2012:485111→2017:485111→2022:485111)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC V112 — Motor Freight
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 485111 valid in 2022? ▾
Yes, 485111 is a valid 6-digit 2022 NAICS national industry code representing 'Mixed Mode Transit Systems' under Sector 48-49 in the official classification index.
What is the SBA size standard for NAICS code 485111? ▾
The Small Business Administration (SBA) has established a small business size standard of $29,000,000 for NAICS code 485111 (Mixed Mode Transit Systems), calculated based on receipts.
What is the legacy SIC equivalent for NAICS 485111? ▾
According to official Census Bureau concordance tables, NAICS code 485111 (Mixed Mode Transit Systems) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 4111 - Local and Suburban Transit.
Related Pages & Tools
Further regulatory reference links for NAICS code 485111:
- Sector 48-49 Directory Hub — List of related industries in the Transportation and Warehousing sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- NAICS 485111 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Mixed Mode Transit Systems).
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.