Highways are expected to bottleneck during Labor Day weekend.

The final travel weekend of the summer will be busy, with peak travel time on Monday, September 7  from 12 p.m. to 8 p.m. Wisconsinites can expect higher travel costs and heavier traffic.

Hotel costs have gone up, with domestic bookings rising 9% this year compared to last season.

Wisconsin's gas prices are averaging $3.80, at the time of this writing. AAA says prices could rise further, with the national average potentially exceeding $4 for the first time. Wisconsin may see record-high Labor Day gas costs.