Beyond that, work was spotted on Dean Street between Carlton and Vanderbilt avenues; on Carlton between Dean and Pacific; and on Vanderbilt (west side) between Dean and Pacific. Only the latter, which constitutes the eastern border of the parking lot, does not constitute a direct path to the arena.
What's the purpose?
"This is not ESD," said Arana Hankin, Director, Atlantic Yards Project for Empire State Development, in response to my query.
I'd bet it's more likely consultants--working for Forest City Ratner or a subcontractor?--trying to test sidewalk capacity. As I've written, on Dean Street at least, it's a very tight fit.