Projects / Traffic Safety Analysis

I-27 and SH 217 Intersection Safety Study, TxDOT Amarillo District

A safety review of the I-27 and SH 217 intersection using drone video and AASHTO sight-distance checks, with recommended speed, stop-line and signing changes.

Problem

TxDOT Amarillo District asked for a safety review of the I-27 and SH 217 intersection.

Approach

  1. Collected drone video of the intersection.
  2. Checked sight distance against AASHTO criteria.

Results

Recommended a 40-mph speed limit, MUTCD stop-line placement and doubled-up oversized stop signs.

Agency project

Crash Data Analysis Dashboards for Four TxDOT Districts

Interactive ArcGIS crash dashboards built from TxDOT CRIS data for the Lubbock, Amarillo, Fort Worth and Childress Districts, plus dashboards for the Lubbock MPO and the City of Lubbock.

4 TxDOT districts

Research project · 2022–2025

Roadside LiDAR Safety Indicators at Signalized Intersections

Used roadside LiDAR vehicle trajectories at five high-crash Lubbock intersections to find which safety indicators best predict each type of collision.

5 high-crash signalized intersections