Thursday Morning Riddle

I’m informing the bank of a check to decline;
I’m the wedge in the door; the red octagon sign;
I’m where bus riders wait; I’m where truck drivers dine;
And in telegraph texts, I’m the end of the line.

Who am I?

UPDATE: Riddle solved by Sh8spearegrl. See comments for answer.

2 Responses to “Thursday Morning Riddle”

  1. Sh8spearegrl Says:

    Stop

  2. Bill Says:

    STOP is correct. Welcome, Sh8spearegrl!

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