There’s not much chance of rain falling on travelers this week, but through Wednesday, the daytime highs will be in the 90s, the Capital Weather Gang says. Traffic seems to be slackening for the summer, and Metro riders are getting a little more breathing room, though tourists are populating the midday trains. Here are some things drivers and transit riders will encounter this week.

Dulles Metrorail work

Lane and ramp closings are scheduled for 9:30 p.m. through 5 a.m. daily this week in the Tysons Corner area for the new Metrorail line scheduled to be done at the end of 2013. But drivers also should expect delays between 9:30 a.m. and 3:30 p.m. along the Dulles Connector Road (Route 267), Leesburg Pike (Route 7) and Dolley Madison Blvd. (Route 123).

Also, the right lane of southbound Dolley Madison Blvd. (Route 123) is closed near the Capital Beltway through August. Southbound drivers can’t turn left from Route 123 to eastbound Route 7. They should use International Drive.

HOT lanes

The high-occupancy toll lanes project will continue reconstruction of 12 interchanges along the Capital Beltway between the Springfield Interchange and the Dulles Toll Road until December 2012. This spring and summer, the project also has been opening new sections of pavement along the Beltway, shifting traffic.

Expect single lane closings between 9:30 a.m. and 3:30 p.m. daily, and more extensive lane and ramp closings overnight.

Beltway/Route 7: The exit ramps from the inner loop (I-495 north) to Exit 47A/B (Route 7) are being realigned this week to a single exit ramp off I-495 north. Drivers on the realigned ramp will be able to exit to either Route 7 east or west.

Foggy Bottom escalator

Metro riders at Foggy Bottom should see the first of three replacement escalators in operation today between the street and the mezzanine. The transit authority this year is replacing all three escalators in that bank and adding a staircase. While escalator repairs are going on throughout the transit system, only the Foggy Bottom escalators and the ones at the south entrance to Dupont Circle Station are being replaced this year.

This morning, Metro lists 110 escalators and nine elevators as under repair. See the full listing of escalator/elevator outages.

Branch Avenue/Pennsylvania Avenue

The temporary closing of Branch Avenue SE on either side of Pennsylvania Avenue SE is scheduled to end this morning. The District Department of Transportation is rebuilding the roadway for the Pennsylvania Avenue Great Streets Project.

17th Street levee

The National Park Service has reduced the number of travel lanes on 17th Street near the National Mall from four to two, with one lane open in each direction. Two-way traffic will be maintained at all times during this first phase of the levee construction project.

Work on the levee will progress from the middle of 17th Street east toward the Washington Monument. When work is done on the east side, construction will move to the west side, and the traffic pattern will reverse, with the northbound lanes converted to one lane in each direction. The job is scheduled to be done late this year.

Constitution Avenue

The reconstruction of the roadway between 23rd and 15th streets NW maintains two lanes of through traffic in both directions during morning and afternoon rushes, but look for these closing during the week.

Weekdays: Up to two westbound and two eastbound lanes may be closed between 23rd and 17th streets from 5:30 a.m. to 3:30 p.m.

Weeknights: Up to three westbound or three eastbound lanes may be closed from 7 p.m. through 5:30 a.m. between 18th and 16th streets.

Saturday: Up to three westbound or three eastbound lanes may be closed from 7 a.m. to 5 p.m. between 23rd and 17th streets.

Meeting on Circulator bus

The District Department of Transportation has scheduled a public meeting to discuss alternative proposals for a new D.C. Circulator bus route linking Union Station and the Navy Yard and extending east of the Anacostia River via the 11th Street Bridge.

The session is set for 7 to 8:30 p.m. Tuesday at the Southeast Neighborhood Library, 403 Seventh St. SE. The library can be reached via the Blue or Orange Line to Eastern Market or by Metrobuses 32, 34, 36, 39, 90, 92, 93, 96, 97, A42, A46, A48, V7 and V9.

I-95 widening

The Virginia Department of Transportation continues work on widening Interstate 95 between Route 123 and the Fairfax County Parkway.

The right lane on I-95 north between exit 160 (Route 123) and the Pohick Road overpass will be closed from 9 a.m. through 3 p.m. Monday through Thursday for paving and bridge work.

The right lane on I-95 south between Accotink Creek and exit 160 will be closed from 8 a.m. to 2 p.m. Monday through Thursday for sign installation, paving and bridge work.

Drivers will find Furnace Road (Route 611) closed in either the east or west direction at I-95 from 9 a.m. to 3 p.m. Monday through Thursday. A flagger will direct traffic during this guard rail installation project.

Beltway/Kenilworth Avenue

Beginning Wednesday night, the Maryland State Highway Administration plans to close up to three lanes on the Capital Beltway’s inner loop (I-95/I-495 South) at the Kenilworth Avenue bridge, which is undergoing a rehabilitation scheduled to be done by fall.

The phased-in lane closings will start with a single right lane closing at 8 p.m. and progress to a three-lane closure by 10 p.m., with one lane remaining open to traffic.

The overnight lane closures will last several weeks and will be scheduled for Sunday through Thursday nights while the concrete deck is removed. All lanes will reopen by 5 a.m. each morning.