Alert
Starting September 1st, LDDA Office Hours will be as follows: Monday - Thursday 10:00- 4:30, and Friday by appointment only.

Construction & Traffic Impacts

Downtown Events

Road Closure information for all Downtown events. See complete details


Private Improvements

518 Coffman St. - The Spoke on Coffman. A private/public development project entailing a new parking garage, affordable housing and additional Boulder County Hub office space. View project construction and information page. 

150 Main St. - South Main Station development project at 1st Ave. and Main St., the gateway to Downtown! 

2nd Ave., Main St. to Emery St. - occasional closures due to South Main Station Development project. 

Emery St., 1st. Ave. to 2nd Ave. - railroad crossing and road improvements. 


Public Improvements

None at this time


The City of Longmont Transportation System Management (TSM) develops and prioritizes safety and capacity projects to improve the transportation system. Current Traffic updates and Road Closures from City of Longmont.