Professional Opinions

Title Category Partner / State Date
202309A – Reduced Length Anchoring Pins for F-shape PCB on Asphalt Barriers   OH April 3, 2024
202402A – MASH TL-3 Compliance of 50-inch tall Free-Standing F-Shape Portable Concrete Barrier Barriers   PA March 7, 2024
22-18 — WSDOT Low-Profile Median Barrier Evaluation Barriers   WA October 2, 2023
22-16 — Illinois Transition Angle for 2-Tube Bridge Rail Thrie Beam Transition Bridge Rails   IL October 2, 2023
22-15 — Utah DOT’s 15-ft Free-Standing PCB Deflection for Reduced Impact Severities Barriers   UT October 2, 2023
22-14 — Utah Single Slope Barrier Anchored to 12 Inches Thick Monument Slab (End Section) and 6 Inches Thick Sidewalk (Mid-Span) for MASH Test Level 2 Barriers   UT October 2, 2023
21-13 — Illinois Transition Block Out Comparison with Alaska MASH TL-3 Transition Design Barriers   IL October 2, 2023
21-11 — Clear Space Behind Oregon 32-inch F-shape Barrier Barriers   OR October 2, 2023
21-09 —Oregon 32 inch F shape Pin and Loop vs Portable Concrete Barrier (PCB) Tested Barriers   OR October 2, 2023
21-08— Lengthening Splice Bolt Slots in Thrie Beam Transitions Barriers   AK October 2, 2023
21-07 — Tube Bridge Rail Retrofit Project Substituting Steel Properties Bridge Rails   IL October 2, 2023
21-06 —TxDOT Transition posts Low Fill Culvert Design Barriers   TX October 2, 2023
21-05 —Connecticut W-Beam End Connections Bridge Rails   CT October 2, 2023
20-08 —Utah Sign Support Bracket Sacrificial Pin Design Barriers   UT October 2, 2023
21-12 – MASH TL-3 Compliance Assessment of Single Slope Concrete Barriers with Slump and Increased Slope Barriers   MI October 2, 2023
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