FDOT Standard Plans · FY 2026-27 · Series 660: Traffic Control Signals and Devices
FDOT Standard Plans Index 660-001: Vehicle Loop Installation
Short answer
Index 660-001 is the FDOT Standard Plan for Vehicle Loop Installation, part of Series 660 (Traffic Control Signals and Devices). The sections below are extracted from FDOT's Standard Plans Instructions (SPI) for this index — design criteria, assumptions and limitations, and what your plans must show.
Design Criteria
Design Criteria FDOT Design Manual (FDM) ; FDOT Traffic Monitoring Handbook ( TMH ) , FHWA Traffic Detector Handbook: Third Edition-Volume II- FHWA-HRT-06-139 ( TDH)
Design Assumptions and Limitations
Design Assumptions and Limitations When applicable it is acceptable to use existing loop and traffic pull box nearest the existing controller to connect new conduit runs and loop lead-ins into existing assembly.
General Notes
General Notes Sheet special design information about loop installations that are not covered in the Specifications , such as Loop Details and Detail of Loop Winding.
Payment
Payment Item number Item Description Unit Measure 660-1-ABB Inductive Loop Detector EA 660-2-ABB Loop Assembly AS See the BOE and Specification 660 for additional information on payment, pay item use and compensation. Examples
What your plans must show
Plan Content Requirements for this index — the SPI's checklist for designers.
- In the Signalization Plans: For each loop include callouts for type (A
- – F) and location. In the Intelligent Transportation Systems Plans: For each loop, include callouts for location. Include in the
How PDFDepth uses this index
When a plan set cites Index 660-001, PDFDepth's AI Plan Review cross-references the set against the Plan Content Requirements for the FDOT indexes it cites and flags items that appear to be missing — each with a citation to the sheet. A human reviewer verifies every flag before it counts.
Related indexes in Series 660
- Index 665-001 — Pedestrian Detector Assembly Installation Details
- Index 671-001 — Standard Signal Operating Plans
- Index 676-010 — Cabinet Installation Details
- Index 695-001 — Traffic Monitoring Site
- Index 700-010 — Single Column Ground Signs
- Index 700-011 — Single Column Cantilever Ground Mounted Sign
- Index 700-012 — Single Post Sign Support Barrier Side-Mounted
- Index 700-013 — Single Post Sign Support Barrier Top-Mounted
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Start for FreeText extracted from FDOT Standard Plans FY 2026-27, a public-domain Florida state publication. Always verify against the current edition at fdot.gov. PDFDepth is not affiliated with FDOT.