Yes, F1554 is a commonly specified anchor bolt by many state DOTs for sign structures, light poles, traffic signals, bridges bearings, and a number of other applications.
Does the ASTM F1554 specification have an AASHTO equivalent?
The AASHTO (American Association of State Highway and Transportation Officials) equivalent to ASTM F1554 is AASHTO M314.
What thread pitch is used on F1554 anchor bolts?
Unless otherwise specified, threads will be Unified Coarse Thread Series per ANSI/ASME B1.1.