1
W 178 St (Ft Washington Ave to Wadsworth Ave)
March 2020
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Project Location
• Project limits: W 178
th
St, from
Ft Washington Ave to
Wadsworth Ave; 0.2 miles
• Commercial and residential
land use
• Within Washington Heights
Senior Area
• A train at W 177
th
St and Ft
Washington Ave, and 1 train at
W 181
st
St and St Nicholas
Ave; Bx3, Bx7, Bx11, Bx13,
Bx36, M5, M98, and M100
bus routes
• George Washington Bridge
Bus Terminal located between
W 178
th
St and W 179
th
St
• Local truck route along
Broadway, W 178
th
St, and W
179
th
St
A Train Subway Stop
1 Train Subway Stop
Projects Limits
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Safety Data (2013-2017)
• W 178
th
St and Broadway is a
Vision Zero Priority Intersection
• Project area has 59 total injuries,
including 7 severe injuries
• 72% of pedestrian injuries occur
while pedestrian is crossing with
the signal
• 83% are left turning
vehicles
• 1 motorcyclist fatality at W 178
th
St and Ft Washington Ave in 2018
4
Existing Conditions
Long Crossing Distances
Corridor Issues
Vehicle Conflicts
Heavy Pedestrian Activity
Inadequate Pedestrian Refuge
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Existing Conditions
• George Washington Bridge upper
level exit merges with W 178
th
St
at Ft Washington Ave
• EB traffic proceeds during
same signal phase,
resulting in vehicle
conflicts
• 4 thru travel lanes
compete for 2 functional
receiving lanes due to
lane blockages from bus
stop and layover space
on the south curb
W 178 St and Ft Washington Ave, aerial
4 thru lanes proceed during
same signal cycle resulting
in vehicle conflicts
2 functional receiving lanes
due to lane blockages from bus
stop and layover space on the
south curb
W 178
th
St and Ft Washington Ave
W 178 St and Ft Washington Ave, looking east
6
Existing Conditions
• Lack of lane designations at
west leg of intersection at W
178 St and Broadway is
unorganized creating
congestion and unpredictable
turning movements
• George Washington Bridge
Bus Terminal generates heavy
pedestrian and bus activity
along corridor
• Left Turning Traffic Calming
on EB left on W 178
th
St and
Broadway, 2017
Lack of lane designations for
EB traffic results in
unpredictable movements
W 178
th
St and Broadway
W 178 St and Broadway, aerial
W 178 St and Broadway, looking west
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Proposed Intersection Improvements
Install right turn only
lane to organize
intersection movements
N
Install bus only lane to
formalize layover space
and provide safe access
to bus stops
Mark buffer to
create standard
width moving lanes
Adjust signal timing to split
George Washington Bridge
exit and W 178
th
St to
reduce vehicle conflicts
W 178
th
St and Ft Washington Ave
8
Proposed Intersection Improvements
N
Add pedestrian space
to provide shorter
crossing distances and
normalize intersection
Install lane
designations and
buffer to better
organize roadway
Install bus only lane to
formalize layover space
and provide safe
access to bus stops
W 178
th
St and Broadway
Construct new pedestrian
island in south crosswalk
to provide refuge and
shorten crossing distances
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Project Benefits
• Split signal timing reduces
vehicle conflicts at W 178
th
St and Ft Washington Ave
• Lane designations on W
178
th
St better organizes
roadway and creates more
predictable vehicular
movements
• New concrete island in
south crosswalk at W 178
th
St and Broadway provides
pedestrian refuge and
shortens crossing distances
• Bus Only Lane on W 178
th
St between Ft Washington
Ave to Wadsworth Ave
formalizes layover space
and provides safe access to
bus stops
Corridor Improvements
W 178 St and Broadway, looking east
nyc.gov/visionzero
NYCDOT
nyc_dot
nyc_dot
NYCDOT
10
Thank You!
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Volumes
AM Peak Hour: 7:00-8:00 am
PM Peak Hour: 4:30-5:30 pm
W 178 St and Ft Washington Ave, TMCs collected 10/02/19-10/09/19
125/285
31/50
143/67
122/76
165/68
108/72
266/284
279/260
255/142
85/76
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Volumes
W 178 St and Broadway, TMCs collected 4/30/19-5/01/19
AM Peak Hour: 7:45-8:45 am
PM Peak Hour: 4:15-5:15 pm
432/302
443/408
57/57
241/333
58/67
186/121
180/166
