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One Period = 125 sec - PowerPoint PPT Presentation


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One Period = 125 sec. Example Tunnel Durations 30 sec. Unique Offsets. One Period = 105 sec. Explicit Durations. Dynamic Timeframe. One Period = 125 sec. Additional Time Given for Secondary Movements. Shifted Period = 128 sec. Shifted Period = 120 sec. Dynamic Timeframe.

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Presentation Transcript
slide3

Unique

Offsets

One Period = 105 sec

Explicit

Durations

slide4

Dynamic

Timeframe

One Period = 125 sec

slide5

Additional

Time Given for

Secondary Movements

Shifted Period = 128 sec

slide7

Dynamic

Timeframe

One Period = 125 sec

slide8

Dynamic

Timeframe

One Period = 125 sec

slide9

Normal Operations

Decreased Period

Service

Timeframe is

Normalized

Period Shifts Down – step 2

slide10

Service

Timeframe

Decreases

Period

Shift

Service

Timeframe

Increases

Period

Shift

Initial Period Shift

Normal Operations

Service

Timeframe

Expands

Period Shifts Down – step 1

slide11

Normal Operations

Increased Period

Service

Timeframe is

Normalized

Period Shifts Up – step 2

slide12

Service

Timeframe

Increases

Period

Shift

Service

Timeframe

Decreases

Period

Shift

Initial Shifted Period

Normal Operations

Period Shifts Up – step 1

slide13

Normal Operations

Normal Operations

Timeframe Imbalances

without Transition

Increased Period

Irregular & Somewhat Close Intersection Spacing

Normal Operations

slide14

Potential to

Reduce Optimal

Pedestrian Service

Service

Timeframe

Decreases

Initial Period Shift

Normal Operations

Service

Timeframe

Expands

Period Shifts Down – Pedestrian Implication

slide16

Allowable States or Phase Pairs (User Determined)

Allowable Sequences (User Determined)

North South Lead

East West Lead

North South Lead North Overlap

East West Lead East Overlap

North South Lead South Overlap

East West Lead West Overlap

North South Lag

East West Lag

North South Lag North Overlap

East West Lag East Overlap

North South Lag South Overlap

East West Lag West Overlap

South Lead North Lag

West Lead East Lag

North Lead South Lag

East Lead West Lag

slide17

Timeline of Operations

1) InSync chooses & Initiates Sequence that “Best” meets Real-time Demand

Early release Traffic does not create a Global adjustment, thus downstream intersections may optimize their secondary movements accordingly.

Intelligently serves an Early Release state due to lack of demand that matches proper coordinated sequence.

62 sec

2) Time is Given to then intelligently services all movements as secondary movements

One Period = 125 sec

InSync jumps back and forth across the “Barrier” freely without referencing a “Ring” while following

SAFE sequences deter-

mined by the User.

Early Release

The Individual Movement is served

based on Real-time Demand.

Possible Midblock Traffic Generator

East Lead West Lag

Early Release

slide18

Timeline of Operations

1) InSync chooses & Initiates Sequence that “Best” meets Real-time Demand

Truncate Eastbound Through

East West Lead

All Movements become Secondary Movements, and are Intelligently Served Based on Real-time Volume and Delay - Including Prior Served Phases, if Warranted.

IntelligentlySKIPsstates to allocate time appropriately for whole intersection optimization.

62 sec

2) Next Sequence instituted was chosen before Truncation

One Period = 125 sec

3) Final Sequence instituted to conclude Primary Movement’s Service

Eastbound Through Truncation

East West Lag West Overlap

InSync intelligentlyExtendswhile subsequent state is Omitteddue to prior service, InSync then intelligently services all movements as secondary movements.

Real-time observed

Primary Movement service

East Lead West Lag

First Tunnel Truncation

slide19

Timeline of Operations

1) InSync chooses & Initiates Sequence that “Best” meets Real-time Demand

OR

IntelligentlyTRUNCATES & SKIPsstate due to lack of Real-time for Westbound Through & Left state.

The Westbound left may be intelligently served during intersection’s secondary movement timeframe

if needed.

62 sec

2) Time is Given to then intelligently services all movements as secondary movements

One Period = 125 sec

InSync jumps back and forth across the “Barrier” freely without referencing a “Ring” while following

SAFE sequences deter-

mined by the User.

Westbound Through Truncation

Real-time observed

Primary Movement service

East Lead West Lag

Second Tunnel Truncation

slide20

Timeline of Operations

1) InSync chooses & Initiates Sequence that “Best” meets Real-time Demand

Truncate Eastbound Through

East West Lead

Like an Early Release

state, an individual movement

Extension does not warrant a Global adjustment. Downstream intersections optimize accordingly.

IntelligentlySKIPsstates to allocate time appropriately for whole intersection optimization.

62 sec

2) Next Sequence instituted was chosen before Truncation

Extension

One Period = 125 sec

3) Final Sequence instituted to conclude Primary Movement’s Service

East West Lag West Overlap

InSync intelligentlyExtendswhile subsequent state is Omitteddue to prior service, InSync then intelligently services all movements as secondary movements.

Real-time observed

Primary Movement service

East Lead West Lag

Extension