Transportation Information

Traffic Count and Accident Information



Traffic Counts
Traffic Counts Map
Accident Information

Transportation Plan & Comprehensive Transportation Overview



2016 Transportation Plan
Comprehensive Transportation Overview

US 36 Express Lanes Project

Traveler Advisory
US 36 Express Lanes Project Map

120th Avenue Connection



CDOT, in partnership with the city and county of Broomfield, proposes to extend 120th Avenue from Wadsworth Parkway, across US 36 to approximately 120th Avenue and Teller Street, including an intersection with US 287. The purpose of the 120th Avenue Connection project is to accommodate existing and forecasted east-west through-traffic, reduce out-of-direction travel, and alleviate traffic congestion. An Environmental Assessment for this project was completed in March 2005, and a Finding of No Significant Impact (FONSI) was approved by the Federal Highway Administration in January 2006. An update to the EA was completed in March 2008. For more information, please click on any of the following links:

CDOT - 120th Avenue Connection Information
120th Avenue Connection Environmental Assessment (EA) March 2005
120th Avenue Connection Environmental Assessment (EA) Update March 2008
120th Avenue Connection - Findings of No Significant Impact (FONSI) January 2006

120th Avenue Connection - Update

Over the next few months, travellers will encounter traffic shifts on US 287 from Reed Street to Hemlock Way.  In conjunction with the 120th Avenue Connection construction.  Phase 1 will begin June 29th and be in place approximately through August 2017.  During Phase 1, traffic will utilize the existing detour route with one lane in each direction.  Phase 2 is anticipated to be in effect September through October 2017.  Traffic will be shifted to the north (formerly westbound) lanes.  One lane will be provided in each direction.  Phase 3 would begin in October 2017, and this configuration will remain until the new highway is complete.  Phase 2 will allow for two lanes in each direction on new pavement in a configuration similar to the pre-project traffic patterns. Links provided here show traffic configurations and work areas for the three phases:

Phase 1 Traffic
Phase 2 Traffic
Phase 3 Traffic 

State Highway 7 (SH 7) Planned Environmental Linkage (PEL) Study



The SH 7 PEL Study was completed by the Colorado Department of Transportation in February 2014. The study developed and evaluated multimodal (car, bus, bike and walk) improvements to reduce congestion, improve operations, and enhance safety. The segment of SH 7 the report addresses is from US Highway 287 in Lafayette to US Highway 85 in the City of Brighton. For more information, please click on any of the following links:

SH 7 PEL Study February 2014
Appendix A SH 7 PEL Corridor Conditions Assessment Report
Appendix B SH 7 FHWA Pel Questionnaire
Appendix C SH 7 Evaluation Results
Appendix D SH 7 Concept Design Plans Cost Estimates
Appendix E SH 7 Agency Coordination