Traffic study projects 1,398 daily trips from proposed 227-unit Commerce City development
The study found existing failing traffic movements and projected a 42-foot increase in a turn-lane queue if the project moves forward.
A proposed 227-unit multifamily development in Commerce City would generate an estimated 1,398 daily vehicle trips, according to an April traffic study prepared for the project. The study found that several nearby traffic movements already operate at failing levels and projected additional congestion at one intersection if the development is built.
The study is part of the City Council’s review of Hogan Property Planned Unit Development Zone Document Amendment No. 2. The council is scheduled to hold a public hearing and second reading Sept. 21; it has not taken final action.
The revised council communication says the Planning Commission voted 3-2 against the proposal May 5. The council continued the matter July 6 to seek more information about traffic impacts, and the Sept. 21 agenda lists the ordinance for a public hearing and second reading.
The proposed amendment covers about 16.82 acres at 10230 Chambers Road and 15955 E. 101st Way. It would consolidate Planning Areas B through D, expand the planned-unit-development boundary and allow multifamily housing. The amendment sets a density range of six to 24 dwelling units per gross acre in Planning Area B but does not set an explicit maximum unit count. The traffic study evaluated a conceptual 227-unit plan.
Existing traffic conditions
The study evaluated a 16.8-acre project east of Chambers Road and west of Idalia Street, with two proposed full-movement access points. It projects 92 vehicle trips during the morning peak hour and 116 during the afternoon peak hour, without reductions for internal trips, transportation-demand management or transit.
In 2026 existing conditions, all five studied intersections operate at an overall Level of Service D or better. However, individual movements already operate at Level of Service E or F — conditions indicating substantial delay or failure under the study’s methodology — at E. 104th Avenue and Chambers Road, E. 104th Avenue and Idalia Street, and E. 96th Avenue and Chambers Road.
The study also found existing queue-storage problems. The northbound left-turn queue at E. 104th Avenue and Idalia Street exceeds available storage during the morning peak, while the eastbound left turn at E. 96th Avenue and Chambers Road exceeds storage during the afternoon peak.
Projected effects
The study’s 2028 and 2046 background scenarios include regional traffic growth and traffic from the anticipated Chambers Road Apartments and Anderson Ranch developments. Those scenarios show additional failing movements and queues before adding traffic from the proposed development.