not more than 3 consecutive days of lane closures. 1304. Intelligent transportation systems (a) In general The Secretary shall develop guidance for using existing flexibilities with respect to the systems engineering analysis described in part 940 of title 23, Code of Federal Regulations (or successor regulations). (b) Implementation The Secretary shall ensure that any guidance developed under subsection (a)— (1) clearly identifies criteria for low-risk and exempt intelligent transportation systems projects, with a goal of minimizing unnecessary delay or paperwork burden