The final round of the U.S. Open is scheduled for Sunday at Congressional Country Club in Potomac while the D.C. Triathlon will be held on streets near the National Mall and along the Potomac River. The Nationals will be playing the Orioles all weekend at Nationals Park. The Capital Weather Gang sees a chance of thunderstorms each day, with high temperatures near 90.

These are some of the travel issues you may confront getting around this weekend and beyond.

D.C. Triathlon

Many streets will be closed Sunday morning for the event. The longest closing is Pennsylvania Avenue between Third and Sixth streets NW. That is scheduled to start at 5 p.m. Saturday and continue till 6 p.m. Sunday. Most other streets along the course close early Sunday and are scheduled to reopen by 1 p.m.:

Ohio Drive between Independence Avenue and Inlet Bridge, 3 a.m. to 1 p.m.; Whitehurst Freeway, 5 to 11 a.m.; Rock Creek Parkway from Independence Avenue to P Street, 5 to 11 a.m.; Potomac River Freeway, 5 to 11 a.m.; Memorial Bridge, 5 to 11 a.m.; E Street from 17th Street to Potomac River Freeway, 5 to 11 a.m.; 17th Street from Constitution Avenue to E Street, 5 to 11 a.m.; Independence Avenue from Ohio Drive to 15th Street, 5 to 11 a.m.; 15th Street from Independence Avenue to Constitution Avenue, 5 to 11 a.m.; Constitution Avenue from 14th to Third streets NW, 5 a.m. to noon; 14th Street from Independence Avenue to Constitution Avenue, 5 a.m. to noon; Third Street from Maryland Avenue to C Street NW, 5 a.m. to noon; Ninth Street Tunnel, 5 a.m. to noon; Pennsylvania Avenue from First to Third streets NW, 5 a.m. to noon.

Metro weekend delays

The Metrorail maintenance program will cause delays this weekend on the Red, Blue, Orange and Green lines.

Red Line: From 10 p.m. Friday through the midnight closing on Sunday, trains will share a track between Van Ness and Friendship Heights. Workers will be replacing rail fasteners.

From 10 p.m. Friday through the Sunday closing, trains will share a track between Takoma and Forest Glen. Crews will be upgrading train control rooms.

Throughout the weekend, trains will leave the ends of the line at Shady Grove and Glenmont about every 24 minutes. On Saturday and Sunday between 9 a.m. and 9 p.m., more trains will operate in the middle of the line, between Van Ness and Takoma. In that area, trains should arrive about every 12 minutes.

Orange/Blue lines: From 10 p.m. Friday through the Sunday closing, trains will share a track between Eastern Market and Stadium-Armory. Workers will be replacing rail fasteners.

Throughout the weekend, all trains are scheduled to leave the ends of the lines about every 20 minutes, but riders should allow an extra 20 minutes to get through the work zone.

Green Line: From 7 a.m. to 4 p.m. Saturday, trains will share a track between Greenbelt and College Park. Crews will be out surveying, and riders should allow an extra 10 minutes to get through that zone.

Suitland Parkway

The District Department of Transportation plans to close lanes on Suitland Parkway between South Capitol Street and Firth Sterling Avenue SE on Friday night for road resurfacing.

The work is scheduled for 8 p.m. to 5 a.m. At least one lane in each direction will be kept open for traffic.

Also, the ramps from 295 northbound to Suitland Parkway northbound and from 295 southbound to Suitland Parkway southbound will be closed for about two hours sometime between 9 p.m. Friday and 2 a.m. Sunday.

George Washington Parkway

The rebuilding of the Humpback Bridge on the parkway near the 14th Street Bridge is in its final phase. On Saturday, watch for single-lane closings on both sides of the parkway because of paving work on the northbound side just before the bridge.

Beltway/Telegraph Road

The Wilson Bridge project plans to close the right lane of the Capital Beltway’s inner loop at the Cameron Run overpass from 8 p.m. Friday through 7 p.m. Saturday.

Md. bridge inspections

The Maryland State Highway Administration will be inspecting some more bridges this weekend, requiring lane closings.

Central Avenue over Landover Road: Watch for double lane closings on Landover Road from 5 a.m. to noon Saturday.

Baltimore Beltway at Interstate 70: From 5:30 to 11:30 a.m. Sunday, the inner loop ramp to westbound I-70 will be detoured to the Park and Ride at end of I-70 and redirected to westbound I-70.

Fairfax Connector changes

Starting Sunday, the Fairfax Connector bus system is going to modify seven routes in an effort to improve on-time performance.

Routes 321 and 322: Trips will be added to make the Saturday and Sunday schedules the same. On Route 322, the Sunday 6:11 a.m. trip will now start at 5:34 a.m. and two Sunday evening trips will be added at 9:24 p.m. and 10:24 p.m. On Route 321, one Sunday evening trip added at 10:03 p.m.

Route 555: Trips will be added to provide additional service from Sunset Hills Park and Ride lot to West Falls Church Metro station. Three trips will be added from Sunset Hills Park and Ride lot at 5:30 a.m., 8:40 a.m. and 9:15 a.m. An 8:02 a.m. trip will instead start at 8:07 a.m.

Routes 621, 623, 631 and 632: The routes will use the Monument Drive and Stringfellow Road HOV ramps in the evening. Route 621’s 6:50 p.m. trip will be changed to a Route 623 trip operating as far as the Government Center Park and Ride, saving passengers time by using the Monument Drive HOV ramp. Routes 631 and 632 trips after 6:45 p.m. will use the Stringfellow HOV ramp to access the Stringfellow Road Park and Ride lot.

Constitution Avenue

The National Park Service’s road reconstruction project is closing lanes on Constitution Avenue NW. From 5:30 a.m. to 3:30 pm. Monday through Friday, expect to find up to two lanes closed in each direction between Henry Bacon Drive and 17th Street NW.

U.S. Open

Montgomery County says shuttle bus passes between Grosvenor-Strathmore Station on Metro’s Red Line and Congressional Congressional Country Club have sold out for the remainder of the U.S. Open.

As a result the county plans to operate Ride On Bus Route 36 from 7 a.m. to 7 p.m. Saturday and Sunday. The route, which serves Congressional Country Club from the Bethesday Metro Station, normally runs only on weekdays.

Passengers should disembark at the bus stop at the Connelly School, 9029 Bradley Blvd., and follow the pedestrian bridge over Bradley to the fifth hole gate, county officials said.

Parking: From Wednesday through Sunday: The fairgrounds is the preferred option for spectators traveling southbound on I-270. Spectators traveling northbound on I-270 should park at Crown Farm, located on Fields Road, south of Sam Eig Highway.

Shuttles will run continuously from 6 a.m. to 9 p.m. each day, with transportation expected to take 25 minutes.

Drop-off area, The Norwood School: There will be no general parking or parking for spectators with disabilities in the immediate vicinity of Congressional Country Club.

The passenger, taxi and limousine drop-off location is located across the street, at the Norwood School on Bradley Blvd.

Ticketing and Towing: Vehicles parked illegally will be ticketed. However, vehicles parked illegally along shuttle bus routes will be towed. Motorists can call 301-279-8000 to locate their towed vehicle.