Perencanaan Bundaran untuk Persimpangan Sebidang

Presentasi berjudul: "Perencanaan Bundaran untuk Persimpangan Sebidang"— Transcript presentasi:

1 Perencanaan Bundaran untuk Persimpangan Sebidang

2 Motor Vehicle Conflict Points
Source: FHWA Roundabout Guide

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4 ROUNDABOUT Low/medium flows
Good for turners having to both cross and merge with traffic streams Minimal delays at lower flows (i.e. off-peak) Not good for safety of cyclists and other slow vehicles

5 Older Drivers - Tips Older people report that roundabouts are one of the most difficult features of modern motoring. Knowing the rules is an issue; and The complexity of watching all traffic while manoeuvring is an issue. Discuss the rules for traversing roundabouts.

6 Older Drivers - Tips When turning left. Approach in the left lane, use your indicator before and throughout the turn. Turn into the left hand lane.

7 Older Drivers - Tips When continuing straight ahead. Approach in either lane, stay in that lane to exit, use your indicator after you enter the lane to indicate your exit.

8 Older Drivers - Tips When turning right. Approach in right hand lane, stay in that lane to exit, use your right indicator before entering the roundabout. Use your left indicator as you approach the exit.

9 Older Drivers - Tips When making a U-Turn. Approach in right hand lane, stay in that lane to exit, use your right indicator before entering the roundabout. Use your left indicator as you approach the exit.

10 Older Drivers - Tips General principle. Enter in the lane that matches your turn, stay in that lane, indicate your intentions at each point of the roundabout.

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20 Key elements for pedestrians
Truck apron keeps roadway narrower

21 Truck apron keeps roadway narrower

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46 Roundabout

47 Roundabout

48 Roundabout

49 Roundabout

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53 Prosedur Perencanaan Bundaran
Tentukan jumlah lajur bundaran (Tabel 1), Tentukan kendaraan rencana, kecepatan rencana, diameter dan jenis bundaran (Tabel 2), Tentukan lebar jalur lingkaran (Tabel 3), Rencanakan pulau bundaran (subbab 4.2.6), Tentukan superelevasi jalur lingkaran (subbab 4.2.7), Rencanakan lajur masuk/keluar (subbab ), radius masuk dan radius keluar (subbab ), kelandaian maksimum lengan pendekat (subbab ), pulau pemisah (subbab ), Periksa syarat jarak pandang, Rencanakan penempatan rambu, marka dan fasilitas lainnya.