Those in Cobb County can expect express lanes work to ruin your commute.

Drivers heading into downtown Atlanta may run into a bit of trouble along the Connector, but don't anticipate any bumper-to-bumper traffic.

Surprisingly, Ga. 400 won't be as crowded as it is during the work week.

Here are your trouble spots:

Northwest Corridor Express Lanes

I-575

One northbound lane will close between Ridgewalk Parkway and Sixes Road from 9 p.m. Friday to 5 a.m. Saturday.

One southbound lane will close between Ridgewalk Parkway and Sixes Road from 8 p.m. Friday to 5 a.m. Saturday.

A traffic pacing will take place from Bells Ferry Road to Chastain Road from 8 p.m. Friday to 9 p.m. Saturday.

One lane will close between Big Shanty Road and Barrett Parkway from 8 p.m. Friday to 5 a.m. Saturday.

One southbound right lane and an entrance ramp will close between Sixes Road and Ridgewalk Parkway from 9:30 a.m. to 4 p.m. Saturday.

One lane will close near the northbound exit ramp to Sixes Road from 9:30 to 4 p.m. Saturday.

A traffic pacing will take place between Roswell Road and South Marietta Parkway from 9 p.m. Sunday to 5 a.m. Monday.

One northbound lane will close between Bells Ferry and Shallowford roads from 9 p.m. Sunday to 5 a.m. Monday. A traffic pacing will also take place 10 p.m. Sunday to 3 a.m. Monday.

I-75

Two lanes will close between South Marietta Parkway and Delk Road from 11 pm. Friday to 5 a.m. Saturday.

A traffic pacing will take place between Delk Road and Windy Hill Road from 11 p.m. Friday to 3 a.m. Saturday.

The I-75 southbound exit ramp to Delk Road will close from 9 p.m. Friday to 5 a.m. Saturday.

One lane will close between Cobb Parkway to the I-285 Interchange from 9 p.m. Friday to 5 a.m. Saturday.

I-285

One lane will close between the I-285 ramp from Cobb Parkway and the I-75/I-285 interchange from 9 p.m. Friday to 5 a.m. Saturday.

A traffic pacing will take place between the I-285 eastbound ramp from Cobb Parkway to the I-75/I-285 interchange.

South Metro Express Lanes

On I-75, two southbound lanes will close between Lake Spivey Parkway and Hampton Road from 9 p.m. Saturday to 7 a.m. Monday.

I-85

Two lanes will close at Virginia Avenue from 9 p.m. Friday to 5 a.m. Saturday, from 9 pm. Saturday to 5 a.m. Sunday and from 9 p.m. Sunday to 5 a.m. Monday.

Downtown Connector

At least two southbound lanes and shoulder will close periodically from 10 p.m. Friday to 5 a.m. Monday.

I-285

At least one eastbound lanes will close between the eastbound ramp to Jonesboro Road to the entrance I-75 ramp from 9 pm. Friday to 5 a.m. Monday.

One eastbound lane will close between Flat Shoals and Candler roads to Bouldercrest Road from 6 a.m. Saturday to 5 a.m. Monday.

One westbound lane will close from Bouldercrest Road to Clark Howell Highway from 6 a.m. Saturday to 5 a.m. Monday.

One eastbound and one westbound lane will close from Glenwood Road to the I-20 entrance ramp from 6 a.m. Sunday to 5 a.m. Monday.

One southbound lane will close between Paces Ferry and South Cobb Parkway from 9 pmk. Friday to 5 a.m. Saturday, from 9 p.m. Saturday to 5 a.m. Sunday, and from 9 pm. Sunday to 5 a.m. Monday.

Ga. 400

One lane will close from Bald Ridge Marina to Browns Ridge Road from 9 p.m. Friday to noon Saturday, from 9 p.m. Saturday to noon Sunday, and from 9 pm. Sunday to noon Monday.

Other State Routes

Two lanes will close between Anvil Road and Cedar Drive from 9 p.m. Friday to 5 a.m. Monday for bridge rehabilitation.

Roads will close along Roosevelt Highway between Gresham Street and a CSX railroad crossing from 9 p.m. to noon Saturday for a 5K run.

Roads will close along Northside Drive between 16th and 17th street and again from Overbrook Drive and Peachtree Battle from 7 a.m. to 11 a.m. Sunday for a the PNC Atlanta10 Miler and 5K race.