AMP: N/A
Location: Pleasant St and State St, Portsmouth
Reassurance shield as Route 1B begins.
Location: Marcy St and South St, Portsmouth
Several blocks later, keep left to stay on 1B south to New Castle.
Location: Portsmouth Ave and Tarbell Ln, New Castle
Soon thereafter, we’ll cross over a causeway to the island town of New Castle.
Location: Portsmouth Ave and Cranfield St, New Castle
As we enter New Castle, keep left to stay on 1B south.
Location: Main St and Wentworth Rd, New Castle
Keep right for NH 1B as we wind our way around New Castle.
Location: Wentworth Rd and Old 1B, Rye
Soon thereafter, we’ll head off the island and into Rye.
Location: Wentworth Rd and Sagamore Ave, Portsmouth
Soon after that, we’ll enter Portsmouth again.
Location: Wentworth Rd and Sagamore Ave, Portsmouth
As we re-enter Portsmouth, we’ll approach Route 1A.
Location: Wentworth Rd and Sagamore Ave, Portsmouth
Follow 1A north into downtown Portsmouth. Take 1A south to Rye village.
Location: Wentworth Rd and Sagamore Ave, Portsmouth
Turn right for 1A north and left for 1A south. 1B ends.
N to ME State Line, S to NH 1A
