Drivers are being asked to find alternate routes Tuesday afternoon.
The work is part of the Tollway's $15 billion Move Illinois capital program and $2 billion Bridging the Future capital plan.
Motorists are being encouraged to use an alternate route Friday afternoon until further notice.
Extensive delays for inbound trains continue Friday morning due to the incident.
Officials said the expansion "aims to simplify travel to daily destinations" like medical appointments, schools, shopping centers and more.
The early Thursday morning incident involved the last outbound train of the day on the line where the incident occurred, according to Metra.
The work stretches from Lake Cook Road to Interstate 90 in Rolling Meadows, Palatine and Arlington Heights.
The incident at the intersection of Northwest Highway (Route 14) and Mt. Prospect Road is causing "significant delays" Friday night.
All lanes had been shut down and traffic was being diverted following the early Monday morning crashes near Hoffman Estates.
Three passenger cars and a truck-tractor semi-trailer were involved in a crash Wednesday night on the highway.
Motorists were being asked to avoid the area Tuesday afternoon for an investigation.
Police are advising motorists to avoid the area Saturday afternoon and take alternate routes.
Motorists are being encouraged to use an alternate route until further notice, Saturday night.
A crash involving 4 cars during the Monday morning commute resulted in injuries and was followed by a separate crash in the same location.
A ramp to Interstate-290 was shut down for an extended period Monday morning, according to police.
The work is part of the Euclid Avenue Water Main Replacement Project and Gateway Development Project
Officials are asking residents to avoid the area Thursday afternoon, with Nicor Gas currently on the scene.
A planned detour for motorists will begin Monday and last four weeks, according to Village officials.
Work on toll plaza improvements begins Monday and will run through mid September, according to Illinois Tollway.
Motorists were being asked to use an alternate route or use caution if driving in the area during the Tuesday morning drive.
Motorists were being asked to use alternate routes Wednesday morning as crews worked to mitigate the leak.
Police are asking motorists to avoid the area following the Friday morning accident.
Police are advising drivers and residents to avoid the area Friday morning until further notice.
Police said several roads are closed to through traffic during rush hour Wednesday due to an investigation.
The Village said Tuesday morning the work to fix the break is expected to take between three and five hours.
Police were asking motorists and residents to avoid the area Friday morning.
Work to repair the water break could take between four and six hours Tuesday afternoon, according to the Village.
The Arlington Heights-based company will be launching new schedules for Cook, DuPage and Lake counties starting Sunday.
Officials said Thursday morning crews are working to make repairs and are advising motorists to navigate the area with caution.
The Wednesday morning incident occurred near Irving Park Road and Williams Drive, where there are currently road closures.
The northbound lanes of Arlington Heights Road at Interstate 90 were closed Friday morning, according to police.
The new interstate is currently under construction along the west side of O'Hare International Airport.
Traffic was jammed in both directions on I-90 late Monday as the afternoon rush began – with a gapers' block snagging westbound traffic.
Motorists were advised to use an alternate route Thursday afternoon with police and firefighters on the scene.
The Union Pacific Railroad crossing at Arthur Avenue will be closed due to maintenance Nov. 20 through Nov. 22, according to the Village.
Firefighters and paramedics are reportedly on the scene of the Monday morning accident, which has backed up traffic.
Cook County recently approved funding for transportation-related projects throughout the county, including Schaumburg and Elk Grove Village.
Arlington Heights Police are asking motorists to avoid the area of Northwest Highway and Wilke Road for much of Friday after the crash.
The Board of Commissioners approved funding Thursday for transportation-related projects and initiatives led by the County’s DoTH.
A Thursday morning crash involving two cars and a bicyclist closed down Route 53 at Lake Cook Road for several hours.