*Includes Forest Service and Parks land, Scenic Byways, state scenic highways, Wild and Scenic Rivers.

Revised desing storm depth, shear stress requirements, added excelsior matting option. Removed rip rap option. Revised notes, added 9% factor for trenching/overlap. 7/14/2020. 8/17/2020.

Worksheet 1A -- General Information and Input Data for Rural Two-Lane Two-Way Roadway Segments. General Information. Analyst. Agency or Company. Date Performed. Input Data. Length of segment, …

RSP A77R1 Midwest Guardrail System - Typical Layouts for Fixed Objects Between Separate Roadbeds (One-Way Traffic) RSP A77R2 Midwest Guardrail System - Typical Layouts for Roadside …

The research team also prepared summary materials for the annual Roadside Safety Pooled Fund meeting. AD Simulation work continued, including running iterations of the half-post spacing system …

Within the sight triangle, any object at a height above the elevation of the adjacent roadways that would obstruct the driver's view should be removed or lowered. Such objects may include buildings, …

STEEL PLATE BEAM GUARD, CLASS "A", OVER LOW FILL CULVERTS TIMBER RAIL GUARD FENCE, CURB AND GUARD POST AND MARKER POST HISTORICAL MARKER …

The offset of the roadside barrier measured from the edge of the traveled way to the front face of the barrier, and is generally the shoulder width plus any extra widening for the guardrail.

Barrier Parallel to Roadway. Opposite-Side Hazard . Barrier Flare Begins at Hazard. Adjacent-Side Hazard. (1/F)+(LH2/LR) Barrier Flare Begins Before Hazard. (LH1+L1/F) -(L2+Y) (LH2+L4/F) -(L5+Y) …

10/9/2019. 12/31/2022. 8973. 6/21/2017. 5/19/2022. 12/31/2025. 5325. 1/11/2012. 12/31/2015. 6492. 8/7/2013. 12/31/2016. 9/28/2022. 12/31/2025. 8560. 11/9/2016. 12/31/2019. 594. 11/10/2005. …