A Qualitative Analysis of Wrong-Way Driving in Texas
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Summary
This 1971 study by the Texas Transportation Institute qualitatively analyzes the nature, causes, and potential solutions for wrong-way driving in Texas. The research was motivated by the need to understand the scope of this specific traffic safety issue and to identify effective countermeasures. The authors conducted a questionnaire survey targeting state and local highway engineers and law enforcement personnel to gather professional insights on accident trends, causal factors, and the efficacy of current mitigation strategies. The study surveyed 51 respondents, comprising 32 engineers and 19 law enforcement officers from both urban and rural areas. The questionnaire sought to determine the percentage of total accidents attributed to wrong-way driving, the trend of the problem over recent years, the primary causes of such maneuvers, and the most promising solutions. Respondents were also asked to allocate a hypothetical budget across engineering, education, enforcement, and research, and to comment on existing approaches and desired improvements. Statistical data from the Texas Department of Public Safety regarding recorded accidents and violations were used to supplement the qualitative survey results. The findings indicate that wrong-way driving constitutes a small but significant portion of traffic incidents. Eighty percent of respondents estimated that wrong-way accidents accounted for two percent or less of the total accident problem, with statewide data showing 1.4% of fatal accidents involved wrong-way violations in 1969. The problem was perceived as stable, with 74% of respondents indicating it was not increasing. Crucially, over half of all wrong-way maneuvers were attributed to drivers who were drinking, drunk, or drugged, a finding supported by comparative studies from California and Michigan. Confusion due to geometric design or signing was cited as a cause in 26% of cases. When allocating resources to reduce these incidents, respondents prioritized enforcement (30%), followed closely by engineering (28%) and education (25%). Despite the relatively low volume of accidents, 59% of respondents believed the issue merited more consideration and research than it currently received. The study concludes that while the three traditional countermeasures—engineering, education, and enforcement—offer substantial promise, there is a recognized need for better techniques and further research. The authors recommend continuing the emphasis on eliminating drunk driving through stricter penalties and driver education. They also advocate for improved highway design and traffic engineering to assist impaired drivers, as well as the implementation of detection and warning devices. Additionally, the report suggests conducting actual case studies of wrong-way accidents to determine specific causes and prevention methods, and encourages better communication between law enforcement and traffic engineers regarding surveillance information.
Key finding
Over half of all wrong-way driving maneuvers in Texas were attributed to drunk, drinking, or drugged drivers, with enforcement receiving the highest budget allocation priority among surveyed officials.
Methodology
survey
Sample size: 51
Provenance
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| Stage | Outcome | Tool | Model | Prompt | Attempts | Completed |
|---|---|---|---|---|---|---|
| discover | success | rosap | — | — | 2 | 2026-05-23 |
| archive | success | — | — | — | 1 | 2026-05-23 |
| extract | success | cached | — | — | 2 | 2026-06-10 |
| clean | success | — | — | — | 1 | 2026-06-01 |
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| embed | success | — | — | — | 1 | 2026-06-02 |
| enrich | success | — | — | — | 1 | 2026-05-23 |
| promote | success | — | — | — | 1 | 2026-05-23 |
| summarize | success | llm | qwen3.6-27b-prismaquant | summ-v5 | 3 | 2026-06-10 |
| tag | success | vector_similarity | — | — | 19 | 2026-06-11 |
| verify | success | — | — | — | 2 | 2026-06-10 |
Summary generated by qwen3.6-27b-prismaquant on 2026-06-10; verification: verified.
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- Empirical Findings: observational prevalence