With spring’s warmer weather comes construction season, that six-month period when reduced speed limits, pesky detours and closed lanes are a fact of life. The only recourse for drivers is to plan ahead. City and county officials in the south metro weighed in on the south-of-the-river road projects most likely to create snags for drivers this spring and summer.

Hwy. 13/150th Street, Prior Lake/Savage: The intersection will be rebuilt, including adding a stoplight at 150th and moving the whole intersection a couple of hundred feet south. Hwy. 13 will be widened, with a median installed and turn lanes added at 150th Street. The $8.8 million project begins in April and runs through Oct. 31. Look for reduced speed limits.


Shenandoah Drive/4th Avenue, Shakopee: This project improves the roads around Amazon.com’s new distribution center. The city is repaving and widening Shenandoah Drive from 4th Avenue to County Road 101, and on 4th Avenue from Shenandoah Drive to County Road 83, another lane will be added, making it three lanes. The road will stay open, but speed will be reduced on 4th Avenue. Expect the $2.7 million project to last from May to September.


County Road 16/Eagle Creek Boulevard, Shakopee: The road, which connects west and east Shakopee, will be converted from two lanes to a four-lane divided highway with a median. Construction will take place from County Road 83 through the County Road 21 intersection. The new road will be slightly to the south of the current one; the current road will become a frontage road. The $11 million project, scheduled from May through late fall, will reduce the road to one lane.

County Road 42 at 35W, Burnsville: A six-week, $2 million project will affect this busy stretch of County Road 42 from Aldrich Avenue to Nicollet Avenue. The bridge over Interstate 35W will be resurfaced, and a turn lane will be added to make getting onto northbound 35W easier. Cars will be rerouted during the project, planned for summer to early fall.


Pilot Knob Road, Eagan: The section of road from Interstate 35E north to Central Parkway will be widened, with construction happening in stages from May through November. Northbound traffic on Pilot Knob Road will be reduced to one lane through August, with night and weekend closures in early summer. Southbound Pilot Knob will close in July and August. The goal is to fix capacity issues and minimize intersection delays.


Dodd Boulevard, Lakeville: The section from 185th Street to 194th Street — scene of the 2013 car accident that killed Alyssa Ettl, a junior at Lakeville North High School — will be converted from a two-lane road with little shoulder to a four-lane divided road with a median and turn lanes. At 185th, a stoplight will be installed. About 9,400 cars a day use this portion of Dodd, which will be closed from late April to late August.


County Road 38/McAndrews Road, Apple Valley: This $2.2 million project will affect travelers to the Minnesota Zoo this summer as the road from Cedar Avenue to Johnny Cake Ridge Road will be repaved. Expect lane closures.