MétaCan
Menu
Back to cohort
Record W1595638235 · doi:10.3828/jtep.2010.44.2.247

Speed Cameras Improving Safety or Raising Revenue?

2010· article· en· W1595638235 on OpenAlexaboutno aff
Richard Tay

Bibliographic record

VenueJournal of transport economics and policy · 2010
Typearticle
Languageen
FieldEngineering
TopicTraffic and Road Safety
Canadian institutionsnot available
Fundersnot available
KeywordsEnforcementApprehensionRevenueRaising (metalworking)Transport engineeringBusinessComputer securityEngineeringFinanceComputer sciencePolitical sciencePsychologyLaw

Abstract

fetched live from OpenAlex

Despite numerous studies showing the effectiveness of speed enforcement, especially automated speed enforcement, in reducing crashes, public debate still continues in regard to the revenue-raising aspect of speed enforcement. Using speed camera enforcement data from the City of Edmonton, this study found that catching offenders had a significant effect in reducing injury crashes that was beyond the deterrent effect provided by the presence of police on the roads alone. The apprehension of offenders is therefore a key component needed to maximise the effectiveness of the speed camera programme and not solely as a means to raise revenue.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.003
metaresearch head score (Gemma)0.022
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.027
Threshold uncertainty score0.091

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0030.022
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.001
Science and technology studies0.0000.002
Scholarly communication0.0030.008
Open science0.0010.001
Research integrity0.0020.002
Insufficient payload (model declined to judge)0.0270.002

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.008
GPT teacher head0.216
Teacher spread0.209 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations49
Published2010
Admission routes1
Has abstractyes

Explore more

Same venueJournal of transport economics and policySame topicTraffic and Road SafetyFrench-language works237,207