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.
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
| NAICS Code | 485111 |
|---|---|
| Industry Title | Mixed Mode Transit Systems |
| SBA Size Standard | $29,000,000 |
| U.S. Establishments | 17 (Census CBP, 2023) |
| IRS PBA Code | 485110 (rolled-up match) |
| Sectors Hierarchy | Sector 48-49 → 485 → 4851 |
| Source / Verified | US Census 2022 NAICS Manual, Census CBP / 2026-06-28 |
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)
Related Resources & Compliance Guides
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.
- 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.
Related Industries in 4851
Frequently Asked Questions (FAQ)
Is 485111 a valid 2022 NAICS code?
NAICS 485111 is 'Mixed Mode Transit Systems', a 2022 U.S. national industry under Sector 48-49 (Transportation and Warehousing); the SBA small-business size standard is $29,000,000.
What is the SBA size standard for NAICS 485111?
The SBA small business size standard for NAICS 485111 is $29,000,000 (based on receipts).
What is the legacy SIC code mapping for 485111?
NAICS code 485111 maps to the legacy 1987 SIC codes: 4111 - Local and Suburban Transit.