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Estimation of Vehicle Stops Based on Modified Canadian Capacity Guide Formula Under Non-Lane Based Road Traffic Condition

2019· article· en· W2983983181 on OpenAlexaboutno aff
Abdullah Al Farabi

Bibliographic record

VenueIOP Conference Series Materials Science and Engineering · 2019
Typearticle
Languageen
FieldEngineering
TopicTraffic Prediction and Management Techniques
Canadian institutionsnot available
Fundersnot available
KeywordsIntersection (aeronautics)EstimationTransport engineeringRoad trafficComputer scienceRegression analysisStatisticsMathematicsEngineering

Abstract

fetched live from OpenAlex

Abstract Vehicle stops estimation is one of the important parameters to assess the performance of a signalized road intersection. Canadian Capacity Guide provides a formula that can estimate number of vehicles that stops at least once due to the traffic signal. This study reviews the applicability of this formula for non-lane based traffic. The formula is segmented into two periods to check the estimation of stops during red period and green period. It is found that the formula underestimates the number of stops during red period. Also, the formula estimated number of stops is significantly higher during the green period. As traffic operation and vehicle maneuver of non-lane based traffic are much different from lane based disciplined traffic, the formula cannot predict vehicle stops accurately. Therefore, the estimation of vehicle stops by Canadian Capacity Guide formula is found to deviate considerably from field observed number of stops of vehicles. Thus, a modified regression formula is provided that can estimate the number of stops of vehicles for non-lane based traffic operation. The modified formula fits fairly good with the local traffic condition.

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 distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.060
Threshold uncertainty score0.651

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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 head0.011
GPT teacher head0.204
Teacher spread0.193 · 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 teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designSimulation or modeling
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

Citations1
Published2019
Admission routes1
Has abstractyes

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