FLH Standard Drawings are intended to cover various design elements and be applicable nationwide. Each standard drawing is available in both Metric and US Customary units and conforms with the Standard Specifications (FP). Contact the Project Development Team for questions or comments concerning these standard drawings.
The drawings are available in Acrobat (PDF) and MicroStation (DGN) formats. Individual PDF pages are available for both US Customary and Metric units. The single DGN file contains sheet models for both US Customary and Metric Drawings.
| 157 - Soil Erosion and Sediment Control |
Date |
|---|
 View Section 157 drawings (2,248 KB) |
| 157-2 |
 Temporary Inlet Protection (240 KB) |
1/2024 |
| 157-4 |
Sediment Trap (248 KB) |
1/2024 |
| 157-6 |
Check Dam (168 KB) |
1/2024 |
| 157-7 |
Temporary Erosion control Berms, Slope Drains, and Lined Waterways (172 KB) |
1/2024 |
| Top of Page |
| 501 - Minor Concrete Pavement |
Date |
|---|
| View Section 501 drawings (1,215 KB) |
| 501-1 |
Minor Concrete Pavement (144 KB) |
1/2024 |
| 501-2 |
Minor Concrete Pavement Joints (164 KB) |
1/2024 |
| Top of Page |
| 502 - Concrete Pavement Restoration |
Date |
|---|
| 502-1 |
Concrete Pavement Restoration (156 KB) |
1/2024 |
| Top of Page |
| 556 - Bridge Railing |
Date |
|---|
| 556-1 |
Tubular Steel-backed Timber Bridge Rail (256 KB)
Note: 2 sheets |
1/2024 |
| Top of Page |
| 601 - Minor Concrete |
Date |
|---|
| View Section 601 drawings (5,535 KB) |
| 601-1 |
Concrete Headwalls (212 KB) |
2/2024 |
| 601-2 |
Slope Paving for Concrete Headwalls (204 KB) |
2/2024 |
| 601-3 |
Wingwalls for Concrete Headwalls (172 KB) |
2/2024 |
| 601-4 |
Concrete Headwall for Small Pipe Culvert (152 KB) |
2/2024 |
| 601-5 |
Concrete Headwall/Wingwall for Single Normal 42" [1050] to 84" [2100] Pipe Culvert (196 KB) |
2/2024 |
| 601-6 |
Concrete Headwall/Wingwall for Single Skew 42" [1050] to 84" [2100] Pipe Culvert (176 KB) |
2/2024 |
| 601-7 |
Concrete Headwall/Wingwall for Multiple Normal 42" [1050] to 84" [2100] Pipe Culvert (156 KB) |
2/2024 |
| 601-8 |
Concrete Headwall/Wingwall for Multiple Skew 42" [1050] to 84" [2100] Pipe Culvert (176 KB) |
2/2024 |
| < Section Start | Top of Page |
| 602 - Culverts and Drains |
Date |
|---|
| View Section 602 drawings (7,807 KB) |
| 602-1 |
Metal Pipe Culvert (160 KB) |
8/2024 |
| 602-2 |
Metal Pipe Culvert Coupling Band (224 KB) |
1/2024 |
| 602-3 |
Metal and Plastic Pipe Culvert Bedding (200 KB) |
1/2024 |
| 602-4 |
Metal End Sections (196 KB) |
1/2024 |
| 602-5 |
Plastic Pipe Culvert (144 KB) |
5/2025 |
| 602-6 |
Pipe Culvert Inlet Treatment in Cut Slopes (164 KB) |
1/2024 |
| 602-7 |
Concrete Pipe Culvert Installation (168 KB) |
8/2024 |
| 602-8 |
Concrete End Section for Round Pipe (152 KB) |
1/2024 |
| 602-9 |
Metal End Sections with Safety Bars (224 KB) |
1/2024 |
| < Section Start | Top of Page |
| 603 - Structural Plate Structures |
Date |
|---|
| View Section 603 drawings (1,936 KB) |
| 603-1 |
Structural Plate Pipe Culvert (168 KB) |
1/2024 |
| 603-2 |
Structural Plate Pipe Arch Culvert (160 KB) |
1/2024 |
| Top of Page |
| 604 - Manholes, Inlets and Catch Basins |
Date |
|---|
| View Section 604 drawings (4,487 KB) |
| 604-1 |
Catch Basin, Type 1 (160 KB) |
1/2024 |
| 604-2 |
Metal Frame and Grate, Type A (192 KB) |
1/2024 |
| 604-3 |
Metal Frame and Grate, Type B (192 KB) |
1/2024 |
| 604-4 |
Catch Basin, Type 2, with Down Drain (220 KB) |
1/2024 |
| 604-5 |
Inlet, Type 5A (188 KB) |
1/2024 |
| 604-6 |
Frame and Grate, Type 5A (168 KB) |
1/2024 |
| 604-7 |
Inlet, Type 6B (172 KB) |
1/2024 |
| 604-8 |
Inlet, Type 7A and 7B for 12" [300] to 36" [900] Culvert (176 KB) |
1/2024 |
| 604-9 |
Manhole (176 KB) |
1/2024 |
| < Section Start | Top of Page |
| 606 - Corrugated Metal Spillways |
Date |
|---|
| 606-1 |
Slotted Drain Spillway Assembly (236 KB) |
1/2024 |
| Top of Page |
| 610 - Sidewalks, Pads, and Medians |
Date |
|---|
| View Section 610 drawings (985 KB) |
| 610-1 |
Perpendicular Curb Ramp (172 KB) |
8/2024 |
| 610-2 |
Parallel Curb Ramp (204 KB) |
8/2024 |
| Top of Page |
| 617 - Guardrail |
Date |
|---|
| View Std Std617-10 to 39 drawings (10,211 KB) for general guardrail |
| 617-10 |
G4 W-Beam Guardrail, Wood Posts (300 KB) |
1/2024 |
| 617-11 |
G4 W-Beam Guardrail, Steel Posts (300 KB) |
1/2024 |
| 617-13 |
MGS and G4 W-Beam Guardrail, Installation in Rock (192 KB) |
1/2024 |
| 617-18 |
MGS W-Beam Guardrail, Back Slope Anchor Terminal Type MGS-BAT (324 KB) |
8/2024 |
| 617-19 |
MGS and G4 W-Beam Guardrail, Type Flared Terminal and Grading (184 KB) |
1/2024 |
| 617-20 |
MGS and G4 W-Beam Guardrail, Type Tangent Terminal and Grading (188 KB) |
1/2024 |
| 617-21 |
CRG W-Beam Guardrail, Wood Posts (232 KB) |
1/2024 |
| 617-22 |
G4 W-Beam Guardrail, Cable Releasing Terminal Type CRT, Wood Posts (236 KB) |
1/2024 |
| 617-23 |
G4 W-Beam Guardrail, CRT Anchorage Assembly Details (184 KB) |
1/2024 |
| 617-31 |
MGS W-Beam Guardrail, Wood Posts (236 KB) |
1/2024 |
| 617-32 |
MGS W-Beam Guardrail, Steel Posts (372 KB) |
2/2024 |
| 617-37 |
MGS W-Beam Guardrail Long-Span System (232 KB) |
1/2024 |
| 617-38 |
MGS W-Beam Guardrail Steel Posts Attached to Box Culvert (216 KB) |
1/2024 |
| 617-39 |
G4 to MGS W-Beam Guardrail Transition (188 KB) |
1/2024 |
| View Std Std617-60 to 90 drawings (8,212 KB) for steel-backed rail |
| 617-60 |
Steel-backed Timber Guardrail Type A & Type B (216 KB) |
2/2024 |
| 617-61 |
Steel-backed Timber Guardrail Terminal System Type SBT-FAT (216 KB)  |
9/2025 |
| 617-62 |
Steel-backed Timber Guardrail Terminal System Type SBT-BAT (204 KB) |
1/2024 |
| 617-63 |
Steel-backed Timber Guardrail Around Circular Curves 70 ft [22 m] Radius and Below (220 KB)
Note: 2 sheets |
2/2024 |
| 617-64 |
Steel-backed Timber Guardrail TL-2 Connection to Stone Masonry Guardwall (388 KB)
Note: 3 sheets |
2/2024 |
617-65
M617-65 |
Steel-backed Timber Guardrail TL-3 Connection to Stone Masonry Guardwall (167 KB)
Note: Under review |
1/2008 |
617-66
M617-66 |
Steel-backed Timber Guardrail Connection to Curved Back Structure (223 KB)
Note: Draft. Formerly Std 617-65 and 66 |
1/2008 |
617-67
M617-67 |
Steel-backed Timber Guardrail Test Level 2 Transition to Straight or Curved End Structure (254 KB)
Note: New draft standard |
3/2008 |
| 617-68 |
Steel-backed Timber Guardrail Connection to Tubular Steel-backed Timber Bridge Rail (212 KB) |
2/2024 |
| 617-69 |
Steel-backed Timber Guardrail, TL-2 End Terminal (260 KB)
Note: 2 sheets |
2/2024 |
| 617-70 |
Steel-backed Timber Guardrail, Median, Type A (224 KB) |
1/2024 |
| 617-80 |
Steel-backed Log Rail (240 KB) |
1/2024 |
| 617-81 |
Steel-backed Log Rail Blockout (132 KB) |
1/2024 |
| 617-82 |
Steel-backed Log Rail Terminal System, Type SBL-FAT (212 KB) |
1/2024 |
| 619 - Fence, Gates, Cattle Guards and Bollards |
Date |
|---|
| View Section 619 drawings (3,878 KB) |
| 619-1 |
Cattle Guard (260 KB) |
1/2024 |
| 619-2 |
Cattle Guard (196 KB) |
1/2024 |
| 619-3 |
Cattle Guard Precast Foundation (224 KB) |
1/2024 |
| Top of Page |
| 620 - Stone Masonry |
Date |
|---|
| View Section 620 drawings (1,903 KB) |
| 620-1 |
Stone Masonry Guardwall (Single Face) (172 KB) |
2/2024 |
| 620-2 |
Stone Masonry Guardwall (Double Face) (156 KB) |
2/2024 |
| 620-3 |
Stone Masonry Guardwall, Terminal Sections Type SAT and Type BT (164 KB) |
2/2024 |
| Top of Page |
| 628 - Temporary Stream Diversions |
Date |
|---|
| 628-1 |
Temporary Stream Diversion Channels (180 KB) |
1/2024 |
| Top of Page |
| 635 - Temporary Traffic Control |
Date |
|---|
| View Section 635 drawings (6,790 KB) |
| 635-1 |
Advance Signing (136 KB) |
2/2024 |
| 635-2 |
Temporary Pavement Markings (148 KB) |
2/2024 |
| 635-3 |
Delineation and Signing for Unmarked Pavements (132 KB) |
2/2024 |
| 635-4 |
Temporary Traffic Control for Diversion (156 KB) |
2/2024 |
| 635-5 |
Road Closure Layout (with Flaggers) (124 KB) |
2/2024 |
| 635-6 |
Single Lane Closure Layout (with Flaggers) (148 KB) |
2/2024 |
| 635-7 |
Single Lane Closure Layout (with Yield Sign) (156 KB) |
2/2024 |
| 635-8 |
Single Lane Closure Layout (with Stop Signs) (164 KB) |
2/2024 |
| 635-9 |
Single Lane Closure Layout (with Signals) (144 KB) |
2/2024 |
| 635-10 |
Shoulder Closure Layout (148 KB) |
2/2024 |
| 635-11 |
Part Lane Width and Shoulder Closure Layout (132 KB) |
2/2024 |
| 635-12 |
Part Lane Width and Shoulder Closure Layout with Temporary Barrier (164 KB) |
2/2024 |
| 635-13 |
Single Lane Closure Layout with Temporary Barrier (128 KB) |
2/2024 |
| 635-14 |
Sign Installation, Wood Posts (160 KB) |
2/2024 |
| < Section Start | Top of Page |
