DERRY, N.H. (AP) After a series of delays, the Interstate 93 widening project is back on track in New Hampshire with some bridge and roadwork expected to be done by next year.

Construction is currently focusing on exit 3 in Windham. The goal is to add additional lanes and longer ramps and give drivers less of a curve to navigate.

Transportation officials said those who commute along I-93 should get used to seeing a lot of heavy equipment over the next few years as the state works to expand what ranks as the 28th most congested stretch of highway in the country.

Work on two new bridges and a southbound off-ramp are expected to be finished by June 2010.

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