A design for Johnston St, Hoddle St two-phase intersection

Submitted by john on Mon, 16/12/2019 - 18:52
johnston st

Johnston St, Hoddle St A simulation of of 2-phase operation is shown on Youtube.

The original proposed design has 5 (4) lanes S-N, 5 (3) lanes N-S, in a 2-phase intersection (but with cross-overs, not continuous flow as often quoted) with full signal control of pedestrians with no vehicles filtering (the numbers in brackets are as implemented, but with no full control for pedestrians). In contrast, driver friendly crossover approaches were proposed but risky double P-turn and confusing double Q-turns have been implemented. The proposal installed metering, removed congestion, removed bus lanes, smoothed flow, increased capacity, reduced delay by 31 minutes, halved CO2 emissions, and installed queue-jumping for a toll, yet retained free entry via a queue. Pedestrian delays were reduced by providing 60 second signal cycle times. None of these actions were included in the project, and costs were escalated.