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MicroStation Resource Files
The standard CADD software is MicroStation for this organization.
| Entire workspace with all resource files | Revised Date |
| MicroStation CONNECT workspace (.zip) | 10/29/2026 |
| – How to set up workspace (.pdf) |
| Individual resource files for MicroStation workspace | Revised Date |
| MicroStation levels (.dgnlib) located in Configuration\WorkSpaces\LA County Public Works\Standards\Dgnlib\LACoPW_Levels.dgnlib | 10/1/2026 |
| – PDF list of level attributes (.pdf) | 1/29/2024 |
| Text/Dimension styles located in Configuration\WorkSpaces\LA County Public Works\Standards\Dgnlib\LACoPW_TxtDimStyles.dgnlib | 6/1/2026 |
| Element templates located in Configuration\WorkSpaces\LA County Public Works\Standards\Dgnlib\LACoPW_ElmTmp.dgnlib | 9/26/2023 |
| Linestyles (.rsc) located in Configuration\WorkSpaces\LA County Public Works\Standards\Symb | 9/29/2026 |
| – Readme – how to use cosmetic line styles | |
| Seed File (.dgn) | 8/1/2023 |
| PDF Print Driver (.pltcfg) | 10/26/2026 |
| Pen Table (.pen) | 9/6/2023 |
| Symbol Libraries (.cel) | 11/13/2025 |
| Remap Public Works Levels (.dgn) to SoCal Edison (.dwg) Layers | 10/29/2026 |
| – How to remap files (.pdf) |
OpenRoads Designer
- The workspace has been setup to use the same MicroStation CONNECT workspace which includes Feature Definitions, Annotation Groups, Text Favorites, and other OpenRoads resource files for version 25.00.00.184 or later.
AutoCAD Resource Files – Unsupported
The following AutoCAD resource files are provided as a convenience and are offered “as is.” Los Angeles County Public Works does not provide technical support for these files. MicroStation remains the standard CADD software for Los Angeles County Public Works.
| Description | Revised Date |
| Linetypes (.lin and .shx) – unsupported; provided as is | 10/29/2026 |
Border Sheets for Land Development Division (LDD)
| Street Improvement | Revised Date |
| Road Border (.dgn) | |
| Road Border (.dwg) | |
| Road Border (.pdf) |
| Miscellaneous Transfer Drain | Revised Date |
| MTD Border (.dgn) | |
| MTD Border (.dwg) | |
| MTD Border (.pdf) |
| Private Drain | Revised Date |
| PD Border (.dgn) | |
| PD Border (.dwg) | |
| PD Border (.pdf) |
| Water Quality Notes | Revised Date |
| WQ Border (.dgn) | |
| WQ Border (.dwg) | |
| WQ Border (.pdf) |
| Sewer (for unincorporated areas) | Revised Date |
| Sewer Border (.dgn) | |
| Sewer Border (.dwg) | |
| Sewer Border (.pdf) |
Grading:
- There is no standard title block for grading and drainage plans for privately maintained improvements within private properties. This PDF lists information needed for the title sheet: Grading and BMP General Notes (03/28/2017). In addition, provide:
- 1. County bench mark
- 2. Name and address of the project, owner, applicant, engineer, surveyor, etc.
Border Sheets for Consolidated Sewer Maintenance District (CSMD)
| Description | Revised Date |
| Sewer (click here for cities) | |
| CSMD Border (.dgn) | |
| CSMD Border (.dwg) | |
| CSMD Border (.pdf) |
Border Sheets for Public Works and Flood Control District Projects
| County Infrastructure Projects | Revised Date |
| Engineering Border (.dgn) – includes standard notes and symbols | 11/12/2024 |
| Engineering Border (.dwg) | 11/12/2024 |
| Engineering Border (.pdf) |
| Traffic Control and Striping | Revised Date |
| Traffic Border (.dgn) | |
| Traffic Border (.pdf) |
Street Lighting:
| SCE Owned and Maintained Streetlights | Revised Date |
| Street Lighting Border LS-1 (.dgn) | |
| Street Lighting Border LS-1 (.dwg) | |
| Street Lighting Border LS-1 (.pdf) |
| County Owned and Maintained Streetlights | Revised Date |
| Street Lighting Border LS-2 (.dgn) | |
| Street Lighting Border LS-2 (.dwg) | |
| Street Lighting Border LS-2 (.pdf) |
Mapping Data
| Description | Revised Date |
| Cadastral Landbase Data | |
| MicroStation (.dgn) | |
| ArcMap (.gdb) |
| Description | Revised Date |
| Land Records |
Survey
The standard survey software is Carlson Survey for County projects (not required for private development projects). Resource files available for download:
| Description | Revised Date |
| Drawing Template (.DWT) | |
| Field-to-Finish Table (.FLD) | 1/8/2020 |
| Symbol Library (.DWG and .DTA) | 12/31/2019 |
| Setup Instructions | 8/18/2022 |
| Remap Carlson DWG to Public Works DGN – How to remap files (.pdf) | 3/27/2024 |
| Description | Revised Date |
| Survey Templates and Guides – Preparation Guide – Record of Survey Templates – Corner Record Template |
Resources
Construction Specifications:
| Description | Date |
| Caltrans Standards | |
| Greenbook | |
| LA County Standard Plan | 2000 |
| LA County Standard Specifications | 2006 |
| Description | Date |
| Design Manuals Homepage | |
| Design Drafting Manual | 1996 |
| Drainage Drafting Samples |
| Description | Date |
| Land Development Homepage | |
| Forms and Guidelines | |
| Street and Bridge Plans | |
| Private Drives and Traffic Calming Design Guidelines | Jun 2009 |
| Description | Date |
| Sewer Maintenance Homepage | |
| Private Contract Sanitary Sewer Procedural Manual | Dec 1987 |
| Description | Revised Date |
| Stormwater Engineering Homepage | |
| Hydrologic Report, Map, Design Manual, and Software (HydroCalc, WSPG) |
| Description | Revised Date |
| Traffic Homepage | |
| Traffic Signal Plan Drafting Guide | |
| Signing and Striping Plan Drafting Guide | |
| Streetlight Layout Guidelines |
Publications:
| Description | Revised Date |
| Building and Safety Publications | |
| General Publications |