(TDD/TTY) road sign (MUTCD D9-21)
MUTCD D9-21

(TDD/TTY) Road Sign

What this sign means

A blue motorist-service sign showing the TDD/TTY symbol, directing drivers to a telephone equipped for deaf or hard-of-hearing callers at the upcoming rest area or facility.

Sign group
Motorist services
MUTCD code
D9-21
View all Motorist services

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