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Evaluation Method of Traffic Safety Maintenance of High-Grade Highway

Ying Wang
Ying Wang
 oraz 
Yanfei Chen
Yanfei Chen
   | 25 lut 2021
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Data publikacji: 25 lut 2021
Zakres stron: 65 - 80
Otrzymano: 01 wrz 2020
Przyjęty: 21 gru 2020
DOI: https://doi.org/10.2478/amns.2021.1.00007
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© 2021 Ying Wang et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Fig. 1

System comprehensive evaluation.
System comprehensive evaluation.

Fig. 2

Summary of highway section parameters weights.
Summary of highway section parameters weights.

Fig. 3

Summary of plane crossroads section parameters weights.
Summary of plane crossroads section parameters weights.

Fig. 4

Model scoring value.
Model scoring value.

Fig. 5

Subjective score.
Subjective score.

Fig. 6

Evaluation correlation analysis of subgrade and pavement.
Evaluation correlation analysis of subgrade and pavement.

Fig. 7

Evaluation correlation analysis of safety facilities.
Evaluation correlation analysis of safety facilities.

Fig. 8

Evaluation correlation analysis of management facilities.
Evaluation correlation analysis of management facilities.

Fig. 9

Evaluation correlation analysis of greening facilities.
Evaluation correlation analysis of greening facilities.

Fig. 10

Correlation analysis of comprehensive evaluation of road safety maintenance.
Correlation analysis of comprehensive evaluation of road safety maintenance.

Evaluation indicator system of high-grade highway crossroad.

Target layer Indicator layer Wi Indicator layer Wij Criterion layer Wi Indicator layer Wij
High-grade highway crossroad evaluation index Subgrade and pavement W1 Road shoulder safety intactness W11Road pavement safety intactness W12 Management facilities W3 Traffic marking visibility W31Street light intactness W32Signal lamp brightness W33Signal light feasibility W34Signal intactness W35Traffic sign information volume W36Traffic sign visibility W37Traffic sign intactness W38
Safety facilities W2 Central separation zone intactness W21Separation zone for motor-driven vehicle and non-motor-driven vehicle intactness W22Roadside guardrail intactness W23Railway crossroad marking intactness W24Anti-glare facilities intactness W25Reflecting mirror intactness W26Line of sight intactness W27Road spike intactness W28
Management facilities W5 Channelling facility intactness W51Channelling facility visibility W52Channelling rationality W53
Greening facilities W4 Rationality of greening plants W41Line of sight distance adequacy W42

Interval partition of grade.

Type Grade Score Type Grade Score
Road section Grade 1 87–100 Crossroad Grade 1 89–100
Grade 2 85–87 Grade 2 87–89
Grade 3 83–85 Grade 3 84–87
Grade 4 0–83 Grade 4 0–80

Deduction of test indicators.

Evaluation indicator No. No. 1 No. 2 No. 3 No. 4 No. 5 No. 6
Type
Rationality of channelling Driver 9 5 6 4 5 6
Maintenance personnel 5 9 7 6 4 4
Researcher 8 6 4 5 4 5

Indicator deduction standard.

Sub-feature indicator Investigation content Maintenance status (/point/place)
Safe Moderately safe Unsafe
Road shoulder safety intactness Road shoulder flatness, gutter cover intactness, and subgrade drainage Deduct 0–5 Deduct 5–10 Deduct 10–20
Road pavement safety intactness Pavement flatness and damage Deduct 0–5 Deduct 5–10 Deduct 10–20
Central separation zone intactness Central separation zone type, broken end treatment, and intactness Deduct 0–5 Deduct 5–10 Deduct 10–20
Separation zone of motor-driven vehicle and non-motor-driven vehicle intactness Damage, incline, excessively high kerbstones, etc. Deduct 0–5 Deduct 5–10 Deduct 10–20
Roadside guardrail intactness Guardrail structure intactness, end treatment, and appropriate setting Deduct 0–5 Deduct 5–15 Deduct 15–30
Railway crossroad marking intactness Defect, tilt, visibility, and reflectivity Deduct 2 for tilting and deformation, deduct 5 for massing and damage, and deduct 5 for loss of reflectivity
Anti-glare facilities intactness Missing of anti-glare effect Deduct 0–5 Deduct 5–10 Deduct 10–20
Reflecting mirror intactness Improper position, improper angle, an inclination of a pillar, and damaged mirror surface Deduct 5 for any of these situations
Line-of-sight intactness Defects, deformation, poor reflectivity, poor visibility, and blocked Deduct 5 for the former, deduct 10 for the latter
Road spike intactness Missing or poor reflection Deduct 2
Traffic marking visibility Worn condition Deduct 2 for minor cases, deduct 5 for severe cases
Street light intactness Insufficient brightness or damaged components Deduct 3
Signal brightness Fuzzy situation Deduct 10 for minor cases, deduct 20 for severe cases
Signal visibility Obscured or confusing background Deduct 15
Signal intactness Damaged or incomplete components Deduct 5
Traffic sign information Overload or wrong information Deduct 10 for overloaded information, deduct 15 for wrong information
Traffic sign visibility Blocked or too small font Deduct 10
Traffic sign intactness Panel deformation, cracks, corrosion, loose deformation of support, etc., no fragile design or flexible design Deduct 5 for the former, deduct 10 for the latter
Rationality of greening plants Plant height does not meet requirements Deduct 5–10
Line-of-sight sufficiency Does not meet line-of-sight requirements Deduct 15–20
Channelling facility intactness Worn facilities or breakage Deduct 5 for minor cases, deduct 10 for severe cases
Channelling facility visibility Poor Deduct 5–15
Channelling rationality Unreasonable and excessive channelling Deduct 10–20

Evaluation indicator system of the high-grade highway section.

Target layer Criterion layer Wi Indicator layer Wij Criterion layer Wi Indicator layer Wij
High-grade highway road section evaluation index Subgrade and pavement W1 Road shoulder safety intactness W11Road pavement safety intactness W12 Management facilities W3 Traffic marking visibility W31Street light intactness W32Traffic sign information W33Traffic sign visibility W34Traffic sign intactness W35
Safety facilities W2 Central separation zone intactness W21Separation zone for motor-driven vehicle and non-motor-driven vehicle intactness W22Roadside guardrail intactness W23Railway crossroad marking intactness W24Anti-glare facilities intactness W25Line of sight intactness W26Road spike intactness W27
Greening facilities W4 Rationality of greening plants W41Line of sight distance adequacy W42

Summary of whitening weight function.

Gray class Comment level Gray value Whitening weight function
1 Level 1 (90, 100) θ1 = ∈ [90, ∞] f1(dijn)={dijn/90,dijn∈[0,90]1,dijn∈[90,∞]0,dijn∈(-∞,0) {f_1}\left( {{d_{ijn}}} \right) = \left\{ {\matrix{ {{d_{ijn}}/90,{d_{ijn}} \in \left[ {0,90} \right]} \cr {1,{d_{ijn}} \in \left[ {90,\infty } \right]} \cr {0,{d_{ijn}} \in \left( { - \infty ,0} \right)} \cr } } \right.
2 Level 2 (80, 90) θ2 =∈ [0,90,180] f2(dijn)={dijn/90,dijn∈[0,90]180-dijn/90,dijn∈[90,100]0,dijn∈(-∞,0)∪(100,+∞) {f_2}\left( {{d_{ijn}}} \right) = \left\{ {\matrix{ {{d_{ijn}}/90,{d_{ijn}} \in \left[ {0,90} \right]} \cr {180 - {d_{ijn}}/90,{d_{ijn}} \in \left[ {90,100 } \right]} \cr {0,{d_{ijn}} \in \left( { - \infty ,0} \right) \cup \left( {100, + \infty } \right)} \cr } } \right.
3 Level 3 (70, 80) θ3 =∈ [0,80,160] f3(dijn)={dijn/80,dijn∈[0,80]160-dijn/80,dijn∈[80,100]0,dijn∈(-∞,0)∪(100,+∞) {f_3}\left( {{d_{ijn}}} \right) = \left\{ {\matrix{ {{d_{ijn}}/80,{d_{ijn}} \in \left[ {0,80} \right]} \cr {160 - {d_{ijn}}/80,{d_{ijn}} \in \left[ {80,100} \right]} \cr {0,{d_{ijn}} \in \left( { - \infty ,0} \right) \cup \left( {100, + \infty } \right)} \cr } } \right.
4 Level 4 (0, 70) θ4 =∈ [0,70,140] f4(dijn)={1,dijn∈[0,70]140-dijn/70,dijn∈[70,100]0,dijn∈(-∞,0)∪(100,+∞) {f_4}\left( {{d_{ijn}}} \right) = \left\{ {\matrix{ {1,{d_{ijn}} \in \left[ {0,70} \right]} \cr {140 - {d_{ijn}}/70,{d_{ijn}} \in \left[ {70,100} \right]} \cr {0,{d_{ijn}} \in \left( { - \infty ,0} \right) \cup \left( {100, + \infty } \right)} \cr } } \right.
eISSN:
2444-8656
Język:
Angielski
Częstotliwość wydawania:
2 razy w roku
Dziedziny czasopisma:
Life Sciences, other, Mathematics, Applied Mathematics, General Mathematics, Physics
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