It is hard to miss the sounds of activity in Campustown — and, for once, it’s not students — it’s road construction.

Minor work is being done on Stanton Avenue and Knapp Street, which should be completed by the end of the month. Multi-stage pavement replacement projects are in progress on Welch Avenue and Lynn Avenue and are planned to continue into August.

Tracy Phares, municipal engineer for public works, said the pavement reconstruction on Welch Avenue will cost about $525,299, paid for as part of the CyRide Route Reconstruction project.

The project is divided into three stages, although two will be performed together by contractor Con-Struct Inc. of Des Moines to speed up the process.

Welch Avenue, between Storm Street and Chamberlain Street, will be closed until mid-August, Phares said.

“[The CyRide route reconstruction] is focused on bus routes originally built for light residential traffic,” she said. “They have accelerated deterioration because of heavier traffic.”

Ed Kray, senior engineering technician for public works, said the CyRide Route Reconstruction is being done with federal funds. Phares said the contract to Manatt’s Inc. of Brooklyn for pavement reconstruction on Lynn Avenue cost the city $460,340, paid in part with part of $375,000 raised with the road use tax. The project is part of the Capitol Improvements Plan.

“We’ll probably get more than Lynn Avenue itself done as part of that program,” Phares said.

According to the City of Ames Web site, the Lynn Avenue project is divided into three phases, each of which will last about a month. During the first phase, Lynn Avenue will be closed between Lincoln Way and Chamberlain Street. The second phase will extend the reconstruction further south and will include the closure of the Chamberlain Street and Lynn Avenue intersection.

During the third phase, Lynn Avenue is planned to be closed through Knapp Street, including the intersection. Kray said Stanton Avenue is being resurfaced and should be done by next Tuesday. He said Ev Cochrane and Associates is paying for much of the project.

Ev Cochrane and Associates could not be reached for comment.

Phares said the exact cost of the project is not available, but it costs under $50,000, the contract bidding threshold. The project is being completed by Manatt’s Inc.

According to the City of Ames Web site, through traffic will be allowed between Chamberlain Street and Lincoln Way during the reconstruction. Phares said a curb replacement program on Knapp Street will be done by the end of May and funded with road use taxes as part of a neighborhood curb replacement project. She said the project cost the city $30,989 and will be completed by contractor Con-Struct Inc. Kray said the city tries to minimize the impact of construction on business and residents, although projects need to be completed by August.

“We need to get them all done before the college kids come back,” he said.

Kray said no additional work is planned to begin later in the summer.

Jonathan Reed, owner of the Stomping Grounds, 303 Welch Ave., said although city employees worked with him to reduce the impact of construction on business, it could still have a negative impact.

“There’s always a number of factors going on, like school just got out, but it definitely doesn’t help,” he said.

Reed said he was satisfied the effects of construction on business were minimized.