US 14/61 (Westby-Viroqua) Improvements - Need/purpose
safety and capacity deficiencies along the existing two-lane roadway
between Westby and Viroqua along with the added capacity of through
and truck traffic in both Westby and Viroqua.
Crash information for the study area was derived from WisDOT data
for the four-year period, 1995 - 1998.
Total of 231 crashes
(excluding deer collisions) occurred.
locations exceeded statewide average crash rates in 1995, 1996, 1997 or 1998.
43 percent of crashes occurred outside Viroqua and Westby
38 percent of crashes occurred in Viroqua
19 percent of crashes occurred in Westby
Number and severity of crashes, particularly at intersections,
can be expected to increase as traffic volumes increase.
Roadway and capacity deficiencies
The term "capacity" refers to the number of vehicles
that can safely travel on a segment of roadway under varying weather
conditions. The capacity status of a highway is affected by its
traffic volume, the kind of traffic and the geometric layout of the
Based on traffic forecasts for 2025, volumes on the entire rural
portion of US 14/61, except for a short segment west of Westby, will
exceed the 8,200 threshold for a two-lane rural corridors 2020 route.
Future volumes in Viroqua will be over the 13,000 threshold for a
two-lane urban roadway.
Future volumes in the Westby central business district will be
near the 13,000 threshold. Total truck traffic in Westby is expected to be 1,300 per day
percent increase over present volumes). Through trucks will increase
to 950 per day (a 52 percent increase).
In 2025, total truck traffic in Viroqua
is expected to be 2,300 per day (a 90 percent increase). Through trucks will increase to 750 per day
(a 65 percent increase).