Southbound Route 8 in Etna will be closed overnight Tuesday through Friday, Dec. 9-12, PennDOT announced.

The closures between Kittanning Street and the Route 28 interchange are scheduled for 10 p.m. to 3 a.m. each night. The ramps from southbound Route 8 to northbound and southbound Route 28 also will be closed, weather permitting.

Crews will be repairing overhead sign structures.

There will be three posted detours:

Southbound Route 8

• From southbound Route 8, take the ramp to Kittanning Street in Etna;

• Turn right onto Kittanning Street;

• Turn left onto Butler Street;

• Turn left onto Freeport Street;

• Turn right onto Bridge Street;

• Turn right onto the ramp to South 28 toward Pittsburgh;

• From southbound Route 28, take the left-hand ramp to 40th Street Bridge/Lawrenceville (Exit 3A);

• Cross the 40th Street Bridge;

• Turn left onto Butler Street;

• Follow Butler Street back to the 62nd Street Bridge.

Southbound Route 8 to Southbound Route 28

• From southbound Route 8, take the ramp to Kittanning Street in Etna;

• Turn right onto Kittanning Street;

• Turn left onto Butler Street;

• Turn left onto Freeport Street;

• Turn right onto Bridge Street;

• Turn right onto the ramp to South 28 toward Pittsburgh.

Southbound Route 8 to Northbound Route 28

• From southbound Route 8, take the ramp to Kittanning Street in Etna;

• Turn right onto Kittanning Street;

• Turn left onto Butler Street;

• Turn left onto Freeport Street;

• Turn right onto Bridge Street;

• Turn right onto the ramp to South 28 toward Pittsburgh;

• From southbound Route 28, take the Millvale (Exit 3B) off-ramp;

• Continue straight onto East Ohio Street;

• Turn left onto Grant Avenue;

• Take the ramp to 28 North toward Etna;

• Follow northbound Route 28 back to the Route 8 (Exits 5 A/B) interchange.

Conditions on major roadways are available online at 511pa.com. The site provides traffic delay warnings, weather forecasts, traffic speed information and access to more than 1,200 traffic cameras.

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