Construction & Traffic Impacts

Downtown Events

[Road Closure information for all Downtown events]. See complete details

Private Improvements

518 Coffman - The Spoke on Coffman development project includes a new parking garage, affordable housing, and commercial space. 

150 Main St. - South Main Station development project entails new residential and retail space. 

Public Improvements

Emery St., 1st. Ave. to 2nd Ave. - 1st & Emery Intersection improvements

Main St., 1st Ave. to 2nd AVe. - CLOSED June 14-25 for railroad and road repairs. Traffic diverted to Martin St. and Ken Pratt Parkway.


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.