A yellow diamond warning sign shows one vertical arrow pointing up and another pointing down. Which sign is this?
Correct answer: C. – Two-Way Traffic
The Two-Way Traffic sign warns that opposing vehicles use the roadway ahead. New Hampshire traffic-control standards provide for this sign where a divided or one-way roadway changes to a two-lane, two-way roadway. It may also appear along a two-way road as a reminder that traffic approaches from both directions.
Source: N.H. Admin. R. Tra 502.04(a)(3) – Highway Project Design Criteria, Manual on Uniform Traffic Control Devices, 2009 ed., Revs. 1–3 — § 2C.44, “Two-Way Traffic Sign (W6-3)”


