Professional Opinions

Title Category Partner / State Date
17-5 – Michigan Temporary Concrete Barrier Limited Deflection Barriers   MI March 4, 2023
20-06 – Utah 42-inch BA-3K without P1 Bars Barriers   Cast-in-Place   UT March 4, 2023
19-02 – Butterfly Reflectors Guardrails   AK March 4, 2023
18-30 – 42-inch-10.8-degree Parapet MASH TL-4 Compliance Assessment Barriers   Cast-in-Place   UT March 4, 2023
18-27 – Oregon F-Shape Free-Standing Barrier MASH TL-3 Assessment Barriers   OR March 4, 2023
18-26 – Omitted Post Guardrails   AK March 4, 2023
18-23 – In-Line Anchor Guardrails   PA March 4, 2023
18-22 – Painted Guide Rail Guardrails   TX March 4, 2023
18-09 – W-Beam to Concrete Transition Barriers   PA March 4, 2023
18-08 – Concrete Barrier Height Transition Barriers   TX March 4, 2023
18-05 – Thrie-beam at System at Bridge Column Guardrails   WA March 4, 2023
18-03 – Steeper Face F-Shape Barriers   CO March 4, 2023
18-02 – 2-Tube Bridge Rail for MASH TL-4 Bridge Rails   CO March 4, 2023
18-01 – Type 9 Single Slope Bridge Rail for MASH TL-4 Bridge Rails   CO March 4, 2023
17-06 – Concrete Shape Transitions/Transitioning From Different Shapes Barriers   TX March 4, 2023
17-03b – TxDOT Thrie-Beam Transition to Concrete Barrier Barriers   Cast-in-Place   TX March 4, 2023
17-03 – 18 ft-9 inch Thrie Beam Transition Barriers   TX March 4, 2023
17-02 – 32-inch F-Shape Cast-In-Place Barrier Barriers   Cast-in-Place   TX March 4, 2023
20-08 – Utah Sign Support Bracket Sacrificial Pin Design for 115 mph Wind Speed Breakaway Supports   Sign Supports   UT March 4, 2023