United States Department of Transportation
i
Developing a Surface Drainage Rating for Inclusion in TxDOT’s Asset Management System: Technical Report
-
2019-01-01
-
[PDF-11.30 MB]
Details:
-
Creators:
-
Corporate Creators:
-
Corporate Contributors:
-
Subject/TRT Terms:
-
Publication/ Report Number:
-
Resource Type:
-
Geographical Coverage:
-
Edition:Final
-
Corporate Publisher:
-
Abstract:This project develops a surface drainage rating for inclusion in the Texas Department of Transportation’s asset management system. The surface drainage rating includes paved surface attributes and roadside attributes. During development of the rating, special care was taken to account for safety aspects inherent to drainage features. A key element of the surface drainage rating was the automated data collection process using a mobile light detecting and ranging (LiDAR) device. The mobile LiDAR device allowed for the collection of surface measurements at near highway speeds, improving raters’ safety. Mobile LiDAR’s effectiveness in producing vast amounts of data presents challenges with converting data into useful information such as a drainage rating. Within this project, proof of concept computer code was developed to display how mobile LiDAR data can be collected and processed with minimal intervention to create an efficient rating scheme. The paved surface features within the rating are traveled way width, cross-slope, and hydroplaning potential. The roadside surface features within the rating are front slope steepness, ditch depth, and ditch flowline grade. In addition to the network level rating, the project provides a thorough review of the accuracy of the single laser mobile LiDAR device used to collect data and a method to evaluate the accuracy. Four project level evaluations were also performed that illustrate the use of mobile LiDAR device to measure and analyze surface features to assist in plan development or identification of maintenance locations.
-
Format:
-
Funding:
-
Collection(s):
-
Main Document Checksum:
-
Download URL:
-
File Type:
