The Pennsylvania Turnpike Commission advises motorists traveling on the Northeastern Extension (I-476) in Carbon County that the northbound exit ramp at the State Route 903 Interchange, Exit 87, will be closed from 10 p.m. Friday, May 5, to 6 a.m. Saturday, May 6, to allow workers to safely perform tolling equipment maintenance. Then from 10 p.m. Saturday, May 6, to 6 a.m. Sunday, May 7, the northbound entry ramp will be closed for tolling equipment maintenance.