Implementation of Retroreflective Pavement Markers (RPMs) in Rumble Strips as a Method to Enhance Driving Conditions After Snowplow Operations

Ferron, Raissa; Rung, Michael; Srinivasan, Savitha; Al-Amin, Md; University of Texas at Austin. Center for Transportation Research

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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.

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Implementation of Retroreflective Pavement Markers (RPMs) in Rumble Strips as a Method to Enhance Driving Conditions After Snowplow Operations

2023-07-01
By Ferron, Raissa ; Rung, Michael ; Srinivasan, Savitha ; ...

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Details:

Creators:

Ferron, Raissa ; Rung, Michael ; Srinivasan, Savitha ; Al-Amin, Md

Ferron, Raissa ; Rung, Michael ; Srinivasan, Savitha ; Al-Amin, Md Less -
Corporate Creators:

University of Texas at Austin. Center for Transportation Research
Corporate Contributors:

Texas Department of Transportation. Research and Technology Implementation Office ; United States. Department of Transportation. Federal Highway Administration

Texas Department of Transportation. Research and Technology Implementation Office ; United States. Department of Transportation. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Highway Safety Multifunctionalization Pavements Retroreflection Retroreflective Raised Pavement Markers Road Safety Rumble Strips Snowplow Resistance Snowplows Visibility Visibility Survey
Publication/ Report Number:

FHWA/TX-23/05-6995-01-1 ; 5-6995-01

FHWA/TX-23/05-6995-01-1 ; 5-6995-01 Less -
Resource Type:

Tech Report
Geographical Coverage:

Texas ; United States

Texas ; United States Less -
Edition:

Aug 2021 – July 2023
Corporate Publisher:

University of Texas at Austin. Center for Transportation Research
Abstract:

The absence of retroreflective raised pavement markers (RRPMs) due to snowplow operations leads to reduced road safety from lower visibility of the centerline and monetary losses from reinstalling the markers before the end of their service life. Multifunctionalization of rumble strips to serve as both a sensory warning to roadway users who have drifted from their lane and an in-situ roadway casing to protect markers from snowplows is a novel solution to address the loss and damage to markers due to winter operations. This implementation project aimed to validate the results of a previous project (0-5665) by determining the rumble strip depth that can provide adequate protection to the markers while also still being visible to road users. Two marker types, low profile, and regular profile markers, were evaluated at seven sites around Texas. The damage to the markers from regular snowplow operations was observed and a human visibility study was conducted to determine the detection distance of markers embedded in rumble strips. The results show that a critical rumble strip depth, which depends on the marker geometry, exists where the marker is safe from snowplows and visible. The results also show the regular-profile markers exceeded TxDOT minimum visibility requirements for all the visibility tests; whereas variable results were obtained for the low-profile markers. Recommendations for implementation of the marker-rumble strip multifunctionalization approach to ensure marker snowplow resistance and visibility are provided.
Content Notes:

Includes video recording.
Format:

PDF
Funding:

5-6995-01
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha-512:b2bdf584a38bed82404d8378d8b7a97d794465d67de56a7b1ea26981ea7de34c091085c51429206fc0e4ab770b5be7b69eb077763362e9416a2f5e6683d406d7
Download URL:

https://rosap.ntl.bts.gov/view/dot/75545/dot_75545_DS1.pdf
File Type:

Implementation of Retroreflective Pavement Markers

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