Proportionate share of improvement1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
A B C D E F G H
Year Background Improvement Total Vehicles Project Vehicles Percentage Improvement Cost ($)Project Share ($)Notes
2026 Crowley Road / Sunnyside Road: Signalize 1692 60 3.5%
2026 Crowley Road / Sunnyside Road: LT lanes on all approaches & SB RT lane 1692 60 3.5%
2026 Crowley Road: Widen to 3 lanes north of Sunnyside Road 1286 44 3.4%
2026 Sunnyside Road: Widen to 3 lanes from Ammon Road to Crowley Road 1342 51 3.8%
2026 49th South / 15th East: WB RT lane 1287 72 5.6%
2031 15th East: Widen to 3 lanes north of 49th South 1049 24 2.3%
2031 49th South / 15th East: Implement all-way stop-control 1537 72 4.7%
Year Plus Project Improvement Total Vehicles Project Vehicles Percentage Improvement Cost ($)Project Share ($)Notes
2021 49th South / Ammon Road: WB RT lane 1140 59 5.2%
2021 49th South / Hitt Road (25th East): Install Roundabout 1469 412 28.0%
2021 Hitt Road (25th East): Widen to 3 lanes north of 49th South 1525 301 19.7%
2026 49th South/ Ammon Road: LT lanes on all approaches & SB RT lane 1342 322 24.0%
2026 49th South / 15th East: NB & SB LT lanes and SB RT lane 1287 72 5.6%
2031 49th South / Ammon Road: Implement all-way stop-control 1542 322 20.9%
*All calculations based on percentage of total entering vehicles during the evening peak hour, in the analysis year in which all these improvements are triggered. If a plus project scenario triggers the improvement sooner than the
background, the plus project timeline was used.