33 CFR §117.549
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The draw of the S342 bridge, mile 0.1 at Cambridge, shall open on signal from 6 a.m. to 8 p.m.; except that, from 12 noon to 1 p.m. Monday through Friday, the draw need not be opened. The draw need not be opened from 8 p.m. to 6 a.m.