ALSANCAK JUNCTION – GAP ACCEPTANCE ERROR UNDER CONTINUOUS FLOW

Along the Alsancak Coastal Spine, several junctions operate without signals or protected turning phases. Traffic rarely stops fully. It flows.

The exposure forms inside that continuity.

Time pattern: 17:00–19:30 weekdays. Secondary window: 11:30–13:30 Saturdays.

At these junctions, vehicles attempting to enter or cross the coastal axis face steady but non-congested movement. Gaps exist, but they are narrow and dynamic.

A typical sequence unfolds:

Vehicle A waits at a junction on the inland side.
Westbound vehicles pass in steady rhythm.
A small gap appears between two cars.
Driver judges it sufficient and initiates entry.
However, the following vehicle behind the gap leader is traveling slightly faster than perceived.

The margin evaporates.

Unlike downhill miscalculation, this is not gravity-driven. It is flow-pattern misinterpretation. Continuous movement creates the illusion of stable spacing. In reality, micro-variations in speed compress or expand gaps unpredictably.

Drivers under light pressure from vehicles behind them may accept smaller gaps than they would in lower-density conditions. The decision window shortens with each passing car.

Historically, as Alsancak’s corridor evolved from transitional coastal road to dense commercial spine through the 2010s and 2020s, signal-free junctions experienced increased approach frequency without formalization.

Evening glare intensifies the exposure. Westbound sunlight or eastbound headlights distort depth perception. Vehicles appear slightly farther away than they are.

The structural seam forms under four overlapping conditions:

Continuous moderate-speed flow
No protected turn phase
Perceived stable spacing
Slight speed differential inside gap

The risk is not impatience alone. It is misreading rhythm.

On the Alsancak Junction, traffic does not stop.
It pulses.

The gap looks sufficient.
It is already closing.