The pause directly impacts four proposed projects that are pending US Energy Dept. approval, but more are also in earlier stages of the authorization process.
Nearly 150 parking structures in parts of Manhattan have been deemed unsafe or in need of repairs and continued monitoring, and reports on hundreds more are pending review or late to be filed.
Some of the technologies being developed with the grants, ranging from subsurface sensors to microtunneling robots, could have construction applications beyond grid projects.