Two or three lanes of Interstate 93 south approaching and through downtown to South Bay will be closed from 11:30 p.m. to 5 a.m. today through Thursday.
The Essex Street onramp to I-93 south will be closed from 11 p.m. Thursday to 5 a.m. Friday.
Two or three lanes of I-93 north through downtown and Charlestown will be closed from 11:30 p.m. to 5 a.m. today through Friday.
The underpass from Storrow Drive eastbound to I-93 north and the Tobin Bridge will be closed from 10 p.m. to 5 a.m. tomorrow through Friday.
I-93 north Exit 26, to Storrow Drive, will be closed from 11:30 p.m. to 5 a.m. tomorrow through Friday.
The Sumner Tunnel onramp to I-93 north will be closed from 11:30 p.m. today to 5 a.m. tomorrow and from 10 p.m. to 5 a.m. tomorrow through Thursday.
The Haymarket onramp to I-93 north will be closed from 11:30 p.m. today to 5 a.m. tomorrow and from 10 p.m. to 5 a.m. tomorrow through Thursday.
The Essex Street onramp to I-93 north will be closed from 11:30 p.m. today to 5 a.m. tomorrow and from 10 p.m. Tuesday to 5 a.m. Wednesday.
The I-90 east highoccupancy vehicle tunnel to Logan International Airport will be closed from 10 a.m. to 2 p.m. tomorrow through Wednesday.
The ramp at Interstate 90 east (the Massachusetts Turnpike) to I-93 north and south, Exits 24 B and C, will be closed from 11:30 p.m. to 5 a.m. today, Tuesday, and Wednesday.
Lanes on I-90 east near the Prudential Tunnel and Exit 22 will be closed from 9 p.m. Thursday to 5 a.m. Friday.
Lanes on I-90 east near Interchanges 18, 19, and 20 will be closed from 10:30 p.m. to 5 a.m. today through Thursday.
Lanes on I-90 west near the Sheraton in Newton will be closed from 11 p.m. to 5 a.m. today through Thursday.
The onramp from Congress Street to I-93 in South Boston and I-90 west Exit 24, to I-93, will be closed from 11:30 p.m. to 5 a.m. today, Tuesday, and Wednesday.
A section of I-90 west at Exit 25 in South Boston will be closed from 11:30 p.m. tomorrow to 5 a.m. Tuesday.
The D Street onramp to I-90 west will be closed from 11:30 p.m. tomorrow to 5 a.m. Tuesday.
One lane of I-90 west in the Ted Williams Tunnel will be closed from 11:30 p.m. to 5 a.m. tomorrow, Wednesday, and Thursday.
The ramp from Harborside Drive to I-90 west/Ted Williams Tunnel will be closed from 11:30 p.m. Wednesday to 5 a.m. Thursday.
The Congress Street onramp to I-93 south and I-90 west will be closed from 11:30 p.m. to 5 a.m. today through Thursday.
The Sumner Tunnel onramp to Storrow Drive will be closed from 11:30 p.m. to 5 a.m. tomorrow through Friday.
One lane of the Sumner Tunnel will be closed from 11:30 p.m. to 5 a.m. tomorrow through Friday.
Maintenance crews will repair sections of I-90 from the I-90/I-93 Interchange in Boston to the New York State line from 7 a.m. to 3 p.m. weekdays for several months.
The four lanes on Washington Street and Harrison Avenue will be reduced to two lanes traveling on the newly constructed bridge deck.
Starts&Stops columnist Noah Bierman is off this week. Please send complaints, comments, or story ideas to starts@globe.com. <
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