Posted by: Dave in Brady Street on January 26th, 2010
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Missing Curb Cut at the Top of Brady Street

There are no curb cuts onto the Birmingham Bridge sidewalk or onto the sidewalk on Brady Street. Also note that there is no sidewalk along the west side of Brady Street. Referring to the relocation plans drawn in 1951, there were sidewalks indicated on both sides of the street, although for reasons that will be shown, no sidewalk can be built on the west side of Brady Street.

Missing Curb Cut at the Top of Brady Street
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Posted by: Dave in Brady Street on January 26th, 2010
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Misaligned Sidewalk on Forbes Avenue

Viewing west on Forbes Avenue across the entrance to the Birmingham Bridge one can see the logic of moving the sidewalk to line up with the existing crosswalks and existing sidewalk on Forbes. Note that in these cases the pedestrian signs are in the correct locations.

Beyond the Birmingham Bridge entrance one can see the unmarked entrance to Brady Street shown with cars exiting here. Brady Street itself is a one block long curving street that passes under the Birmingham Bridge and is the only connection between Forbes Avenue and Second Avenue for more than a mile east or west on Forbes Avenue. Without this path, the next best access to the Trail is a makeshift wooden ramp off of Second Avenue at the foot of Bates Street a mile east, or a trip to Grant Street more than a mile and a half west.

Misaligned Sidewalk on Forbes Avenue
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Posted by: Dave in Brady Street on January 26th, 2010
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Misaligned Sidewalk at the Birmingham Bridge Entrance

Looking across the Forbes Avenue entrance ramp to the Birmingham Bridge, one can see an almost identical set of problems as along the exit ramp:

  • Although required by ADA compliance, there is no curb cut on either the east or west side of this entrance ramp.
  • Although a pedestrian crosswalk is painted here, it does not line up with the sidewalk. As with the exit ramp, this crosswalk is in the right location to line up with the new sidewalk across the brush-covered area pictured above.
  • As with the crossing at the exit ramp, the pedestrian crossing indicators that are installed do not line up with the sidewalk. When the sidewalk is moved, these crossing indicators should be moved accordingly.
  • Also pictured is the entrance to the bike path onto the Birmingham Bridge. It is good to have the bicycle lanes painted on the bridge, but without the needed improvements made to the sidewalks and curbs, there is no way for bicyclists to safely access these routes.
Misaligned Sidewalk at the Birmingham Bridge Entrance
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Posted by: Dave in Brady Street on January 26th, 2010
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Space for a Bike Path along Forbes Avenue

As shown here under the Birmingham Bridge, there is enough unobstructed land for the sidewalk along Forbes Avenue to be widened to the specification ten foot width of a bicycle path. A path in this location would also align with the locations of the crosswalks across both the entry and the exit to the Birmingham Bridge.

Space for a Bike Path along Forbes Avenue
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Posted by: Dave in Brady Street on January 26th, 2010
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Missing Crosswalk on Forbes Avenue

At the bottom of the cobblestone area, the lower exit ramp for the Birmingham Bridge intersects Forbes Avenue. If cyclists have ridden on the pedestrian path, there are several problems they face:

  • Although required for ADA compliance, there are no curb cuts on either the east or west side of this exit ramp.
  • Although there is a stop line, there is no pedestrian crosswalk painted or room for it to be placed. To fix problem, the stop line should be moved back and a crosswalk should be painted in this location.
  • The logical location for this crosswalk connects to an unpaved area under the bridge. The sidewalk under the Birmingham Bridge should be widened to include this unpaved strip under the bridge.
  • Although there are pedestrian crossing indicators here, they are aimed in the wrong direction so that they cannot be seen from the path. These pedestrian crossing signs need to be redirected so that pedestrians can see them.
Missing Crosswalk on Forbes Avenue
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Posted by: Dave in Brady Street on January 26th, 2010
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Curb Cut Needed on Forbes Avenue

At the bottom of the unused lane on Forbes Avenue, the street merges with the eastbound travel lane. At this juncture, cyclists either need to lift their bicycles onto the curb and ride across the cobblestone area under the bridge, or to ride between the white pylons and travel against traffic on Forbes Avenue.

There should be a curb cut installed at the bottom of this lane to allow cyclists to bike up onto this paved area and not into traffic. Ideally, when this curb cut is made, a bicycle lane could be paved over the existing cobblestones.

Curb Cut Needed on Forbes Avenue
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Posted by: Dave in Brady Street on January 26th, 2010
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Unused Pedestrian Lane on Forbes Avenue

Once a pedestrian crosses the Interstate 376 exit ramp, there is a safe and clear passage down Forbes Avenue along the sidewalk. This sidewalk is wide enough for pedestrians, although it is uncomfortably narrow for cyclists. A better choice for cyclists is to ride on the unused lane of Forbes Avenue.

This lane is technically a route for emergency vehicles traveling east on Forbes Avenue, although it is almost never used. This lane could possibly be designated as a bicycle path with the appropriate warning signs. If this reclassification is not possible, there is enough space to narrow the median to the travel lane and widen the sidewalk. Further down on Forbes Avenue, there is enough land for a bicycle path on the grassy median to the left of this emergency lane.

Unused Pedestrian Lane on Forbes Avenue
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Posted by: Dave in Brady Street on January 26th, 2010
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Proposed Improved Crossing on Forbes Avenue

One way to improve the safety of this Forbes Avenue crossing may be to increase the line of sight of the motorists coming off of the Interstate 376 ramp. From this vantage point further up on Forbes Avenue, one can see the potential of placing the pedestrian crossing further away from the ramp and having pedestrians walk in the median. A study would need to be done to evaluate the relative safety of this solution.

Proposed Improved Crossing on Forbes Avenue
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Posted by: Dave in Brady Street on January 26th, 2010
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Pedestrian Crossing at Forbes Avenue

In order for Oakland residents to reach Brady Street from Forbes Avenue, they must cross the Interstate 376 exit ramp. Cars typically exit from Interstate 376 at over 50 miles per hour, and the drivers’ line of sight to this pedestrian crossing is too short to slow down from this speed.

Even though this is the only crossing available, it is not an official City of Pittsburgh pedestrian crosswalk. To make this a safe crosswalk, the speed of cars exiting Interstate 376 will need to be reduced. There are several well-understood solutions that should be implemented to reduce the speed of motorists, including warning signs, crosswalk markings, and most importantly, rumble strips. Having rumble strips installed will require community support, as there may be a noise issue for nearby homes. A noise study may be needed to further assess this solution.

Pedestrian Crossing at Forbes Avenue
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Posted by: Dave in Brady Street on January 26th, 2010
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View Down Forbes Avenue

Traveling west on Forbes Avenue, the wide and clear sidewalk continues, connecting to Brady Street about 1200 feet below. This sidewalk has been recently installed with a modern cement barrier and a new metal fence. Unfortunately, this sidewalk is not wide enough to fall under the City of Pittsburgh’s specification for a bicycle path. It would be possible to widen this path by extending the sidewalk over the Rock Alley slope, although the width of the sidewalk is the least significant of the issues that need to be addressed for this path to be complete.

The wooded area on the left of this picture is the Rock Alley slope. The location of the crosswalk in this picture is approximately in the historic location of Maurice Street, which went down the slope and connected with the Rock Alley tunnel that passes under Interstate 376.

View Down Forbes Avenue
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