storyWhy the moat runs one way

ทำไมรอบคูเมืองวิ่งทางเดียว

Outer bank clockwise, inner counter, and a missed turn costs 6.54 km.

Hartmann Linge · CC BY-SA 4.0

What it is

The pair of roads the municipality built on the moat's banks in 1948 run as two one-way loops in opposite directions. The year the one-way system began is not on this disk; the fact of it is on Thai Wikipedia and on every windscreen in the city.

The long version

Inference — a moat 13 m wide with a road on each bank cannot carry two-way traffic on either without a lane of parking going, and the banks are where the city parks. One-way doubled the capacity of both roads for the price of some U-turns at the corners. The corners are the four chaeng, and the U-turn slots there are the busiest fifty metres of road in the old city.

Inference — the cost is paid by anyone who does not know the square. A visitor aiming for Tha Phae Gate from the inside and missing the cut through drives to Katam Corner, round the south, up the west, along the north, and arrives 5 km later at the place they could see when they left. The measurements page's one-way share for the moat zone is the number that describes this.

The walkable-district pilot of 2021 made Ratchadamnoen one-way inside the square too, which is the same logic applied for the opposite reason: not to move cars faster but to make room for people.

Connected to

• The moat loop The loop.
• Ratchadamnoen Road The inside one-way.
• Katam Corner Where the missed turn is paid for.
• How much of the road runs one way The number.

Named here by

• The moat loop The argument.
• How much of the road runs one way The argument.

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