488490 — Other Support Activities for Road Transportation
Description
This industry comprises establishments primarily engaged in providing services (except motor vehicle towing) to road network users (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Illustrative Examples
- Bridge, tunnel, and highway operations
- Pilot car services (i.e., wide load warning services)
- Truck or weighing station operations
- Driving services, independent (e.g., automobile, truck delivery)
Exclusions & Cross-References
- Providing automotive repair and maintenance--are classified in Industry Group 8111, Automotive Repair
- and Maintenance;
- Providing towing services to motor vehicles--are classified in Industry 488410, Motor Vehicle Towing;
- Providing a network for busing in combination with providing terminal services--are classified in Industry
- 485210, Interurban and Rural Bus Transportation;
- Providing a network for trucking in combination with providing terminal services--are classified in
- Subsector 484, Truck Transportation; and
- Providing transportation services as owner-operators--are classified in Sector 48-49, Transportation and
- Warehousing, according to primary activity.
- TRANSPORTATION AND WAREHOUSING 395
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 4173 - Terminal and Service Facilities for Motor Vehicle Passenger Transportation (via SIC1987:4173→NAICS1997:48849→2002:488490→2007:488490→2012:488490→2017:488490→2022:488490)
- SIC 4231 - Terminal and Joint Terminal Maintenance Facilities for Motor Freight Transportation (via SIC1987:4231→NAICS1997:48849→2002:488490→2007:488490→2012:488490→2017:488490→2022:488490)
- SIC 4785 - Fixed Facilities and Inspection and Weighing Services for Motor Vehicle Transportation (via SIC1987:4785→NAICS1997:48849→2002:488490→2007:488490→2012:488490→2017:488490→2022:488490)
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 1740 — Airfield Specialized Trucks and Trailers
- PSC 4910 — Motor Vehicle Maintenance and Repair Shop Specialized Equipment
- PSC J023 — Maintenance, Repair and Rebuilding of Equipment: Ground Effect Vehicles, Motor Vehicles, Trailers, and Cycles
- PSC S218 — Snow Removal/Salt Service (also spreading aggregate or other snow melting material)
- PSC V002 — Motor Pool Operations
- PSC V112 — Motor Freight
- PSC V119 — Other Cargo and Freight Services
- PSC V122 — Motor Charter for Things
- PSC V212 — Motor Passenger Services
- PSC V222 — Passenger Motor Charter Service
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 488490 valid in 2022? ▾
Yes, 488490 is a valid 6-digit 2022 NAICS national industry code representing 'Other Support Activities for Road Transportation' under Sector 48-49 in the official classification index.
What is the SBA size standard for NAICS code 488490? ▾
The Small Business Administration (SBA) has established a small business size standard of $18,000,000 for NAICS code 488490 (Other Support Activities for Road Transportation), calculated based on receipts.
What is the legacy SIC equivalent for NAICS 488490? ▾
According to official Census Bureau concordance tables, NAICS code 488490 (Other Support Activities for Road Transportation) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 4173 - Terminal and Service Facilities for Motor Vehicle Passenger Transportation, 4231 - Terminal and Joint Terminal Maintenance Facilities for Motor Freight Transportation, 4785 - Fixed Facilities and Inspection and Weighing Services for Motor Vehicle Transportation.
Related Pages & Tools
Further regulatory reference links for NAICS code 488490:
- 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 488490 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Other Support Activities for Road Transportation).
- 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.