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A316 Chalkers Corner
Junction(s) Re-Design
Safe for Cyclists
but no traffic delay
Latest more efficient ‘best practice’
and better pedestrian facilities
Problems / Defects
Current
 Confusing for drivers
 No cycle facilities at all
 High risk of left hooks
 Minimal ped. facilities
 Aggressive / competitive
 Traffic queues across jct
 Parking blocks jct E-W
 Slow 2-stage ex A3006
Proposed
 Early separation; Less lanes
 L only / A only / R only
 No left / right hooks
 Long green (all modes)
 As Latest CSH Designs
 Yellow box - enforced
 Parking removed
 Easier A3006 exit
Continuity with existing 2-way cycle track across
Chiswick Bridge
Both rights GO together
from same lane
4th lane on A316(W)
becomes 2 way cycle
track ; no central res.
1
3
1
1
1
4
2
3
3
2
5
5
5
1
2
A205(N)
A205(S)
Green = pedestrians
Red = cyclists
1
Both lefts GO
together
A316(W)
A316(E)
1 1
A3006
Remove
parking
;
Yellow Box must clear
between phases
Chalkers Corner : Design Notes
Yellow box is key : MUST clear between phases
1. Long E-W phase – Ahead Only – Lefts & Rights held
All Modes share same green time [ no ped / cycle only
Ample stacking back along A316 [ less lanes thru jct
1. Both Lefts ex A316 Go together & all directions ex A205(S)
2. Both Rights ex A316 Go together & peds/cycles(E-side)
3. All directions Go ex A3006 – through both jcts
4. Aheads & Lefts (only) ex A205(N) & peds/cycles(W-side)
 No need for left ex A316(W) nor right ex A316(E)
 Dominant flows get longer green time
 Protected cycle lanes into jct on A205
 Single traffic lane on each exit
 Ped.crossing distances minimised [ no islands
 No left / right hooks ; No delays to traffic

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A316 chalkers corner

  • 1. A316 Chalkers Corner Junction(s) Re-Design Safe for Cyclists but no traffic delay Latest more efficient ‘best practice’ and better pedestrian facilities
  • 2. Problems / Defects Current  Confusing for drivers  No cycle facilities at all  High risk of left hooks  Minimal ped. facilities  Aggressive / competitive  Traffic queues across jct  Parking blocks jct E-W  Slow 2-stage ex A3006 Proposed  Early separation; Less lanes  L only / A only / R only  No left / right hooks  Long green (all modes)  As Latest CSH Designs  Yellow box - enforced  Parking removed  Easier A3006 exit
  • 3. Continuity with existing 2-way cycle track across Chiswick Bridge Both rights GO together from same lane 4th lane on A316(W) becomes 2 way cycle track ; no central res. 1 3 1 1 1 4 2 3 3 2 5 5 5 1 2 A205(N) A205(S) Green = pedestrians Red = cyclists 1 Both lefts GO together A316(W) A316(E) 1 1 A3006 Remove parking ; Yellow Box must clear between phases
  • 4. Chalkers Corner : Design Notes Yellow box is key : MUST clear between phases 1. Long E-W phase – Ahead Only – Lefts & Rights held All Modes share same green time [ no ped / cycle only Ample stacking back along A316 [ less lanes thru jct 1. Both Lefts ex A316 Go together & all directions ex A205(S) 2. Both Rights ex A316 Go together & peds/cycles(E-side) 3. All directions Go ex A3006 – through both jcts 4. Aheads & Lefts (only) ex A205(N) & peds/cycles(W-side)  No need for left ex A316(W) nor right ex A316(E)  Dominant flows get longer green time  Protected cycle lanes into jct on A205  Single traffic lane on each exit  Ped.crossing distances minimised [ no islands  No left / right hooks ; No delays to traffic

Editor's Notes

  1. All modes share the SAME green time ; No ped only / cycle only phases