Question

find the safe shopping sight distance for a highway having a design speed of 80kmph. assume all data suitable.​

Answer 1

Answer:

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ᴏᴠᴇʀᴛᴀᴋɪɴɢ ꜱɪɢʜᴛ ᴅɪꜱᴛᴀɴᴄᴇ (ᴏꜱᴅ)

ᴅ2 = ᴅɪꜱᴛᴀɴᴄᴇ ᴛʀᴀᴠᴇʟᴇᴅ ʙy ᴛʜᴇ ᴠᴇʜɪᴄʟᴇ ᴀ ꜰʀᴏᴍ ᴀ2ᴛᴏ ᴀ3 ᴅᴜʀɪɴɢ ᴛʜᴇ ᴀᴄᴛᴜᴀʟ ᴏᴠᴇʀᴛᴀᴋɪɴɢ ᴏᴩᴇʀᴀᴛɪᴏɴ ɪɴ ᴛɪᴍᴇ ᴛ ꜱᴇᴄ. ᴡʜᴇʀᴇ ꜱ = ᴍɪɴɪᴍᴜᴍ ꜱᴩᴀᴄɪɴɢ ʙᴇᴛᴡᴇᴇɴ ᴛᴡᴏ ᴠᴇʜɪᴄʟᴇꜱ. ꜱ = 0.2ᴠʙ+6 ʜᴇʀᴇ ᴠʙ ɪꜱ ɪɴ ᴋᴍ/ʜʀ.