Airport Road

CO 119 Airport Road Traffic Shift Detour Map. Details in the caption.
The safety improvements at the intersection of CO 119 and Airport Road, highlighting the northbound one-way traffic shift on Airport Road indicated by green arrows. A red-shaded widened shoulder along the west side of the road and yellow-coded Bus Lane Only sections approaching the intersection from both the Boulder and Longmont directions. Three purple dashed areas mark the installation of new raised crosswalks at the main intersection to enhance pedestrian safety.

Safety Improvements

Improvements include:

  • Eliminating left turns from Airport Road onto CO 119
  • Converting Airport Road between northbound and southbound CO 119 to one way northbound
  • Eliminating left turns from southbound CO 119 onto southbound Airport Road
  • Adding raised crosswalks at the turn lanes on southbound Airport Road and southbound CO 119
  • New bus queue bypass lane on southbound C0 119

Design update following June 2022 community meeting: Access from Ogallala Road to northbound Airport Road will be maintained.

Phase 3 of Safety Improvements

Phase 3 of safety improvement work at the Airport Road and CO 119/Diagonal Highway intersection began on June 22. This final phase is anticipated to last several weeks.

Airport Road Safety Improvements: Phase 3 map
A traffic map showing various closures on CO 119 and Airport Road. Red highlights indicate closed lanes and shoulders, green dotted lines show pedestrian and cyclist access routes, and an orange line marks a protected pedestrian area. Ogallala Road is also shown.

Traffic Impacts

  • Closure of one southbound lane on Airport Road, just north of southbound CO 119/Diagonal Highway. The designated right-turn lane on southbound Airport Road is open.
  • Airport Road northbound median reduced to one lane.
  • Left shoulder closure on southbound CO 119/Diagonal Highway.
  • Pedestrians and cyclists can use the underpass under Airport Road to access the northwest crossing to cross southbound CO 119/Diagonal Highway.
  • RTD bus stop on southbound CO 119/Diagonal Highway at Airport Road will be closed.