T1
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T1 | ||||
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From: | Dublin (O156345) | |||
To: | Dundalk and Border (J071171) | |||
Via: | Drogheda | |||
Met: | A1 | |||
Now part of: | N1, R132 | |||
Primary Destinations | ||||
Route outline (key) | ||||
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The T1 was the original number given to the section of the historic Dublin - Belfast postal route that ran in the Republic.
When road numbers were revised in 1977, it became the N1. However, the arrival of the M1 has since downgraded large sections of the road.