Developing Supplemental Urban Guidelines for New Brunswick's Work Area Traffic Control Manual
Bibliographic record
Abstract
This paper presents the findings of a 2012 study to develop new temporary traffic control guidelines for work on urban streets within New Brunswick municipalities. The study was completed by Opus International Consultants (Canada) Ltd. for a joint Steering Committee representing the municipalities of Fredericton, Moncton, Miramichi, and Rothesay. The new urban traffic control guide is intended to be a supplemental chapter to the provincial Work Area Traffic Control Manual (WATCM), which was released in 2009. The WATCM contains temporary traffic control guidelines exclusively for work on the provincial road network, which is primarily made up of more rural and higher speed facilities. The new document provides specific guidance for implementing temporary traffic control on urban streets with posted speed limits of 50 and 60km/h. It also includes 31 typical layouts developed based on the Transportation Association of Canada's (TAC's) Manual of Uniform Traffic Control Devices for Canada (MUTCDC), New Brunswick's WATCM, and manuals from other North American jurisdictions. Finally, the study identified several gaps in the MUTCDC, as well as inconsistencies with guides from other jurisdictions, which TAC may wish to address in future versions of the MUTCDC. It is envisioned that the new guide will result in a greater level of consistency for temporary traffic control amongst New Brunswick urban municipalities. Furthermore, it will ensure that consistent practices are implemented on both the provincial and municipal road networks. For the covering abstract of this conference see ITRD record number 201310RT334E.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot 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.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.014 | 0.025 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.006 | 0.008 |
| Science and technology studies | 0.007 | 0.002 |
| Scholarly communication | 0.005 | 0.002 |
| Open science | 0.005 | 0.003 |
| Research integrity | 0.001 | 0.002 |
| Insufficient payload (model declined to judge) | 0.020 | 0.006 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
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".