Lehi to Lindon area update for the week of June 7, 2010   This update contains information about scheduled construction activities, inconveniences and progress along I-15 from the Lehi Main Street interchange to 200 South in Lindon.   General nighttime lane restrictions are possible from 9 p.m. to 5:30 a.m. Monday through Thursday and from 10 p.m. Friday to 7:30 a.m. Saturday.   June 4 and 6: I-15 at Main Street in American Fork will be closed from 10 p.m. to 6 a.m. while crews for the Pioneer Crossing project move bridges into place for the Main Street interchange. All traffic will be diverted through the on and off-ramps at the interchange. Motorists should anticipate moderate to heavy travel delays.   Work Area Construction Update   Upcoming Construction Activities   Sunday, June 6, I-15 southbound will be restricted to three lanes near the 500 East American Fork interchange. This restriction will be in effect through early August. Motorists should anticipate reduced speed limits with moderate travel delays during commute times. Beginning the week of June 7, crews will install steel bridge supports for the center bridge columns at the bridges at 500 East in American Fork and Sam White Lane. This work will be performed during the day. Nearby residents and businesses should expect noise and vibration with this activity.   Ongoing Construction Activities   The West Frontage Road between Storrs Avenue and 100 East in American Fork remains closed for relocation of water and gas lines. This closure will be in effect 24 hours a day through mid-July. Motorists can use 400 South and 1100 South as alternate routes. Crews continue removing trees and widening the shoulders along both sides of I-15 from 500 East in American Fork to 200 South in Lindon. Motorists can expect slight lane shifts throughout the area.   Construction activities are subject to change due to situations such as inclement weather, equipment problems, construction delays or other emergencies.   If you would like to receive weekly segment updates for the Orem area, the Provo to Spanish Fork area, or the entire project, please sign up on the I-15 CORE website or via e-mail at i15core@utah.gov.   If you have questions regarding UTA's FrontRunner South project, please contact Marc Bowman at 801-236-4784 or at mbowman@rideuta.com.   For questions or comments regarding UDOT's Pioneer Crossing project, please contact the project hotline at 877-222-3757 or at access@utah.gov.