Ravell Call
A TRAX train carries passengers on Main Street in Salt Lake City on Tuesday, Jan. 23, 2018. The Wasatch Choice 2050 and Mayor's Metro Solutions conference was underway at the Salt Palace.

SALT LAKE CITY — The Utah Transit Authority will be start replacing 18-year-old rails and switches at 5 a.m. Saturday at the intersection of 400 South and Main Street.

The project is expected to wrap up May 22. All downtown businesses will be open during construction.

Ultimately, UTA will replace rails and switches in two areas between the City Center and Courthouse stations on Main Street.

According to the agency, riders on the Green and Blue lines traveling from the north and the south can expect delays of five to 10 minutes. Riders on the Red Line traveling from the east and the south can expect delays of 10 to 20 minutes.

Green Line riders north of the construction zone will have to exit TRAX at the Gallivan Station and walk or ride a shuttle bus to the Courthouse Station to get back on the Green Line.

Riders on the Blue Line north of the zone will have to exit TRAX at the Gallivan Plaza Station and walk or ride a shuttle to the Courthouse Station to get back on the Blue Line.

Riders on the Red Line north and east of the zone will have to exit at a temporary station on State Street and walk or shuttle to the Courthouse Station to get back on the Red Line.

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Riders on the Green Line south of the construction zone will have to exit TRAX at the Central Point Station to transfer to the Blue Line. To get back on the Green Line, they’ll have to exit at the Courthouse Station and walk or shuttle to the Gallivan Station.

Riders on the Blue Line south of the zone will have to exit at the Courthouse Station and walk or ride the shuttle to the Gallivan Station to get back on the Blue Line.

Riders on the Red Line south of the zone will have exit at the Courthouse Station and walk or shuttle to the temporary State Street station to get back on the Red Line.

For daily travel updates, follow UTA on Twitter or log on to rideuta.com/construction.