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The height of low or mountable kerb is kept
10 cm
15 to 20 cm
23 to 45 cm
more than 45 cm
10 cm
Low or mountable kerbs are designed to allow vehicles to cross them easily in cases of emergency or when entering private driveways. These kerbs have a height of 10 cm and are typically provided at central verges or at the entrance to commercial/private properties where vehicle movement across the kerb is expected.
Low or mountable kerbs are designed to allow vehicles to cross them easily in cases of emergency or when entering private driveways. These kerbs have a height of 10 cm and are typically provided at central verges or at the entrance to commercial/private properties where vehicle movement across the kerb is expected.
HkтАЛ=10┬аcm тАФ standard height of mountable kerb
The design of a mountable kerb uses a shallow slope (typically 1:3 or 1:4) to ensure that when a vehicle wheel climbs the kerb, the impact is minimized, preventing damage to the tyre or the suspension system while still maintaining a clear separation between the roadway and the footpath.
Mountable kerbs are provided for occasional access across the kerb.
The height is low to prevent vehicle damage during encroachment.
Used commonly at median openings and access points to roadside properties.
They are contrasted with 'Barrier' kerbs, which are higher (typically 20-23 cm) and designed to prevent encroachment.
Allows emergency access for vehicles.
Reduces potential vehicle damage during accidental mounting.
Facilitates smooth transition for driveway entry.
Does not prevent vehicles from leaving the carriageway effectively.
Less secure for pedestrians compared to barrier kerbs.
Roadside driveway entrances.
Central median verges in urban roads.
Parking lane boundaries.
Semi-mountable kerbs have a height of about 15 cm and a slope of 1:1, providing a balance between access and containment.
Barrier kerbs have a height of 20 to 23 cm with a vertical or near-vertical face, meant to strongly discourage vehicle encroachment.
Option B (15-20 cm) usually refers to semi-mountable or lower barrier kerbs.
A is correct тАФ The standard height for a low or mountable kerb is 10 cm, designed to allow vehicles to cross the kerb with minimal effort.
Always remember the classification: Mountable (10cm), Semi-mountable (15cm), and Barrier (20-23cm) kerbs to differentiate them in exams.