Upgrades to traffic signals along Freeport Road in Aspinwall and O’Hara will begin Monday, according to PennDOT.

Single-lane restrictions will take place from 9 a.m. to 3 p.m. weekdays through early April on Freeport Road between 23rd Street in Sharpsburg and Fox Chapel Road in O’Hara.

There will be only one lane of traffic in each direction at all times.

Crews from Bronder Technical Services will re-time signals, work on minor upgrades and perform other miscellaneous construction.

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