City of Allentown, Lehigh County - NOTICE OF SOLE SOURCE PROCUREMENT NOTICE NO. 2026-3 Project

AI Summary

The City of Allentown seeks a sole source procurement for a patented Modular Roundabout Kit by ZKxKZ LLC to implement temporary traffic circles as a cost-effective alternative to permanent roundabouts. Vendors may submit bids via PennBid by April 29, 2026.

Opportunity details

Solicitation No.: 231850
Type / RFx: IFB
Status: Open
Level: state
Published Date: Invalid Date
Due Date: April 29, 2026
NAICS Code: 237310 AI guide
Jurisdiction: Pennsylvania
State: Pennsylvania
Agency: Pennsylvania

Description

The City of Allentown is posting for public inspection and comment until 2:00 p.m. Local Time, Wednesday, April 29th for the following Sole Source procurement of Modular Roundabout Kit by ZKxKZ LLC.It is indicated that the Modular Roundabout Kit has a design patent which legally protects the design from being copied in any way. (U.S. Patent No. 10,724,181; 10,975,528 & 10,995,456) Using temporary traffic circles avoids the high cost of building permanent concrete roundabouts. It allows the City to test solutions first before investing in design and construction. This helps prevent spending money on permanent changes that may not perform as expected.Vendors that may potentially supply the service listed can reply and upload their information through the PennBid website.

Commodity Codes

Commodity Codes: UNSPSC 7214 Heavy construction services: The building and repair of heavy construction projects including infrastructure UNSPSC 461615 Traffic control

Events & Timeline

Status	Event Name	Location	Description	Dates	Mandatory
Ongoing	Open Date	Online Portal	Posting date for the Opportunity	Apr 15th 2026, 10:00 AM EDT	N/A
Upcoming	Questions Due Date	Online Portal	Deadline to submit Questions	Apr 22nd 2026, 10:00 AM EDT	N/A
Upcoming	Close Date	Online Portal	Deadline for Submissions	Apr 29th 2026, 2:00 PM EDT	N/A

Requested Information

Note: Template files for the items below (BidTables, Questionnaires) are available in the Attachments section of this opportunity.

Name	Type	# Files	Requirement
Enter Individual Submitting First and Last Name	Data Type: Text	N/A	Required
Enter Individual Submitting Title	Data Type: Text	N/A	Required
Enter Individual Submitting Email and Phone	Data Type: Text	N/A	Required

Attachments

Key dates

Invalid DatePublished
April 29, 2026Responses Due

AI classification tags

traffic management equipment modular roundabout kit temporary traffic circles road construction materials traffic control devices municipal infrastructure

Frequently asked questions

SLED stands for State, Local, and Education. These are solicitations issued by state governments, counties, cities, school districts, utilities, and higher education institutions — as opposed to federal agencies.