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Mathematical Problems in Engineering

Mathematical Problems in Engineering / 2020 / Article / Tab 7

Research Article

Probability of Roadside Accidents for Curved Sections on Highways

Table 7

Threshold of significant factors leading to frequent roadside accidents.
No.Vehicle speed (km/h)Vehicle typeHorizontal curve radius (m)Hard shoulder width (m)Adhesion coefficientProbability (>50%)
180 ≥ V > 60Truck300 <R ≤ 400 ≤ 0.75μ ≤ 0.2≥55.9
2200 <R ≤ 300 ≤ 0.75μ ≤ 0.6≥54.3
3R ≤ 200 ≤ 1.50μ ≤ 0.8≥54.9
4100 ≥ V > 80 500 <R ≤ 600 ≤ 0.75μ ≤ 0.2≥54.2
5400 <R ≤ 500 ≤ 0.75μ ≤ 0.8≥55.0
6300 <R ≤ 400 ≤ 1.50μ ≤ 0.8≥54.8
7R ≤ 300 ≤ 2.25μ ≤ 0.8≥55.3
8120 ≥ V > 100 500 <R ≤ 6001.50 <  ≤ 2.25μ ≤ 0.2≥55.3
9 ≤ 1.50μ ≤ 0.8≥54.3
10R ≤ 500 ≤ 2.25μ ≤ 0.8≥54.2
1180 ≥ V > 60CarR ≤ 300 ≤ 0.75μ ≤ 0.2≥54.2
12100 ≥ V > 80 300 <R ≤ 400 ≤ 1.50μ ≤ 0.2≥55.3
13200 <R ≤ 300 ≤ 1.50μ ≤ 0.4≥55.3
14R ≤ 200 ≤ 2.25μ ≤ 0.8≥54.2
15120 ≥ V > 100 300 <R ≤ 400 ≤ 2.25μ ≤ 0.4≥54.5
16200 <R ≤ 300 ≤ 1.500.4 < μ ≤ 0.6≥54.6
17 ≤ 2.25μ ≤ 0.8≥55.9
18R ≤ 200 ≤ 3.00μ ≤ 0.8≥54.3
Note. V represents the vehicle speed, R represents the horizontal curve radius, μ denotes the adhesion coefficient, and is the hard shoulder width.

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