The 'road cross-section' elements from centre to edge include in order:
Choose the correct answer
Kerb → carriageway → median → edge
Centreline → median → carriageway lanes → kerb/shoulder → drain → earthwork — from centre outward
Drain → carriageway → footpath only
Only carriageway (no other elements needed)
Correct Answer
B. Centreline → median → carriageway lanes → kerb/shoulder → drain → earthwork — from centre outward
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Standard cross-section of 4-lane divided highway: centreline → median → carriageway (2 lanes each side) → raised kerb → shoulder (paved) → shoulder (earthen) → roadway fill → side drain (at toe) → berm. Total carriageway width: 2×7.5m=15m for 4-lane (3.75m per lane). Median width: 5m or 1.2m minimum.
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