SIC 4111 — Local and Suburban Transit
Description & Classification
SIC code 4111 representing 'Local and Suburban Transit' is an industry category in the Standard Industrial Classification (SIC) system under U.S. OSHA and Federal procurement registers.
Modern NAICS Crosswalk
Trace the modern equivalent classifications in the 2022 North American Industry Classification System (NAICS) database:
- NAICS 485119 - Other Urban Transit Systems (via SIC1987:4111→NAICS1997:485119→2002:485119→2007:485119→2012:485119→2017:485119→2022:485119)
- NAICS 485999 - All Other Transit and Ground Passenger Transportation (via SIC1987:4111→NAICS1997:485999→2002:485999→2007:485999→2012:485999→2017:485999→2022:485999)
- NAICS 485111 - Mixed Mode Transit Systems (via SIC1987:4111→NAICS1997:485111→2002:485111→2007:485111→2012:485111→2017:485111→2022:485111)
- NAICS 485113 - Bus and Other Motor Vehicle Transit Systems (via SIC1987:4111→NAICS1997:485113→2002:485113→2007:485113→2012:485113→2017:485113→2022:485113)
- NAICS 485112 - Commuter Rail Systems (via SIC1987:4111→NAICS1997:485112→2002:485112→2007:485112→2012:485112→2017:485112→2022:485112)
Classification Details
| SIC Code | 4111 |
|---|---|
| Industry Title | Local and Suburban Transit |
| Division | Division E: Transportation, Communications, Electric, Gas, and Sanitary Services |
| Major Group | Major Group 41: Local and Suburban Transit and Interurban Highway Passenger Transportation |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 4111:
- SIC Codes Complete Compliance Guide — Detailed history and active legal applications of the SIC classification framework.
- Why Legacy SIC Codes Persist Guide — How credit systems and the SEC still rely on SIC metadata.
- SIC ↔ NAICS Crosswalk Tool — Trace industrial code conversions dynamically.
- SIC Major Group 41 Hub — View other legacy industries in this business division.
Related Industries in Major Group 41
Frequently Asked Questions (FAQ)
What industry does SIC code 4111 represent?
SIC 4111 is 'Local and Suburban Transit', a 4-digit Standard Industrial Classification (SIC) code under Major Group 41: Local and Suburban Transit and Interurban Highway Passenger Transportation (Division E: Transportation, Communications, Electric, Gas, and Sanitary Services); it maps to modern 2022 NAICS code(s): 485119 (Other Urban Transit Systems), 485999 (All Other Transit and Ground Passenger Transportation).
What is the modern 2022 NAICS mapping for SIC 4111?
SIC code 4111 maps to modern NAICS codes: 485119 - Other Urban Transit Systems, 485999 - All Other Transit and Ground Passenger Transportation, 485111 - Mixed Mode Transit Systems, 485113 - Bus and Other Motor Vehicle Transit Systems, 485112 - Commuter Rail Systems.