Speed Limit and Safety Nexus Studies for Automated Enforcement Locations in the District of Columbia 37 Block Massachusetts Avenue SE Study Area and Location District PSA Ward ANC Phase Description 6 65 7 7B Existing 37 Block Massachusetts Avenue Southeast Southeast-bound KEY: Existing Camera Proposed Camera Bus Stop Metro Station Hiker/Biker Trail School Other Pedestrian Generator Site 97 The existing speed camera is located in Ward 7 at the 37 block of Massachusetts Avenue Southeast in the southeast-bound direction. Massachusetts Avenue Southeast runs between Southern Avenue Southeast to the east and East Capitol Street Southeast to the west. The posted speed limit is 25 MPH. This speed camera was installed on August 22. W7-3 District Department of Transportation 55 M Street, SE, Suite 4 Washington, DC 23
37 Block Massachusetts Avenue SE Field Assessment Summary Massachusetts Avenue is assumed to run in a northwest-southeast direction, and is classified as a collector. Massachusetts Avenue has one travel lane in each direction. This site has the following characteristics: This is a residential area with houses and driveways on the southwest side of the street. There is a bike trail in the area. There are bike lanes in both directions on Massachusetts Avenue There is on-street parking on the southwest side of the street. The pavement is in good condition and there is curb and gutter with drainage inlets. Looking Northwest-bound W7-3 District Department of Transportation 55 M Street, SE, Suite 4 Washington, DC 23
37 Block Massachusetts Avenue SE Looking Southeast-bound Speed Data Analysis Posted Speed Limit (MPH) 25 Mean Speed (MPH) 4 85th Percentile Speed (MPH) 9 MPH Pace Speed (MPH) -2 ADT 2,397 The mean speed is lower than the posted speed by MPH and the 85 th percentile speed is 6 MPH lower than the posted speed limit at this location. Crash Data Analysis From the Accident Summary Report provided for the dates between January, 2 and December 3, 22 there was a total of one crash at this location. The accident type was unspecified. W7-32 District Department of Transportation 55 M Street, SE, Suite 4 Washington, DC 23
37 Block Massachusetts Avenue SE Severity Weather Surface condition Light Condition Total Fatal Clear Dry Day Injury Rain Wet Night Bus Unspecified Unspecified Truck The speed camera was installed on 8//22. There was one crash at this location in the three years prior to the camera being installed and one crash at this location in the year after the camera was installed. Safety Nexus This site presents the following safety considerations which establish a nexus between traffic safety and the speed camera.. Speed Data The speed data analysis shows travel speeds being lower than the posted speed limit. 2. Crash Data The crash data analysis shows a low number of crashes at this location. 3. Field Assessment The following site characteristics suggest a need for a safer travel environment: a. This is a residential area with houses and driveways on the southwest side of the street. b. There is a bike trail in the area which generates pedestrian and bicycle activity. c. There are several bus stops in the area which generate pedestrian activity. d. There is on-street parking on the southwest side of the street. Although the speed data analysis showed the mean and 85th percentile speeds to be lower than the posted speed limit and the crash data analysis showed a low number of crashes at this location, due to the specific site characteristics, the multimodal transportation options, and the pedestrian generators, there is a nexus between traffic safety and the speed camera at this location. W7-33 District Department of Transportation 55 M Street, SE, Suite 4 Washington, DC 23
SAMMAT ENGINEERING SERVICES, LLC 55 RISING RIDGE ROAD MOUNT AIRY, MD 277 37 block of Massachusetts Ave SE SEB Speed www.sammateng.com SEB Start 6 2 26 3 36 4 46 5 56 6 66 7 76 Time 5 2 25 3 35 4 45 5 55 6 65 7 75 999 Total /22/3 9 2 8 47 : 4 4 2 2: 7 4 3 4 3: 8 4: 5 7 2 4 5: 6 3 7 26 6: 4 23 3 4 7: 28 3 3 72 8: 2 54 7 2 84 9: 28 64 5 : 36 5 3 2 2 : 23 58 8 2 PM 32 59 6 2 9 3: 3 8 9 5 36 4: 4 74 2 5 4 5: 54 96 25 5 8 6: 64 4 32 238 7: 24 9 2 256 8: 9 5 9 225 9: 49 84 6 2 5 2: 23 6 3 97 2: 22 56 6 94 22: 25 47 5 78 23: 26 36 4 67 Total 76 39 288 38 2 2397 Grand Total 76 39 288 38 2 2397 5th Percentile : 5th Percentile : 85th Percentile : 95th Percentile : 7 MPH 4 MPH 9 MPH 22 MPH Stats Mean Speed(Average) : 4 MPH MPH Pace Speed : -2 MPH Number in Pace : 433 Percent in Pace : 59.8% Number of Vehicles > 25 MPH : 46 Percent of Vehicles > 25 MPH :.9% W7-34
SAMMAT ENGINEERING SERVICES, LLC 55 RISING RIDGE ROAD MOUNT AIRY, MD 277 www.sammateng.com 37 block of Massachusetts Ave SE SEB Volume Start Fri 22-Nov-3 Sat 23-Nov-3 Sun 24-Nov-3 Daily Average Time A.M. P.M. A.M. P.M. A.M. P.M. A.M. P.M. 2: 5 25 * * * * 5 25 2:5 24 * * * * 24 2:3 4 29 * * * * 4 29 2:45 8 3 * * * * 8 3 : 2 4 * * * * 2 4 :5 3 35 * * * * 3 35 :3 3 3 * * * * 3 3 :45 2 3 * * * * 2 3 2: 4 26 * * * * 4 26 2:5 6 34 * * * * 6 34 2:3 2 36 * * * * 2 36 2:45 2 45 * * * * 2 45 3: 42 * * * * 42 3:5 4 32 * * * * 4 32 3:3 4 5 * * * * 4 5 3:45 56 * * * * 56 4: 4 55 * * * * 4 55 4:5 3 59 * * * * 3 59 4:3 3 57 * * * * 3 57 4:45 4 67 * * * * 4 67 5: 5 68 * * * * 5 68 5:5 6 72 * * * * 6 72 5:3 6 65 * * * * 6 65 5:45 9 5 * * * * 9 5 6: 4 63 * * * * 4 63 6:5 2 59 * * * * 2 59 6:3 4 57 * * * * 4 57 6:45 46 * * * * 46 7: 8 49 * * * * 8 49 7:5 7 44 * * * * 7 44 7:3 7 35 * * * * 7 35 7:45 2 23 * * * * 2 23 8: 7 28 * * * * 7 28 8:5 2 29 * * * * 2 29 8:3 7 27 * * * * 7 27 8:45 29 3 * * * * 29 3 9: 26 9 * * * * 26 9 9:5 22 29 * * * * 22 29 9:3 29 9 * * * * 29 9 9:45 28 27 * * * * 28 27 : 27 2 * * * * 27 2 :5 29 25 * * * * 29 25 :3 25 8 * * * * 25 8 :45 2 4 * * * * 2 4 : 3 24 * * * * 3 24 :5 33 6 * * * * 33 6 :3 29 4 * * * * 29 4 :45 25 3 * * * * 25 3 Total 625 772 625 772 Combined Total 2397 2397 Peak 9:3 4:45 9:3 4:45 Vol. 3 272 3 272 P.H.F..974.944.974.944 ADT ADT 2,397 AADT 2,397 W7-35
DC Department of Transportation - Traffic Accident Reporting and Analysis System Accident Summary Report (R-8) Corridor: MASSACHUSETTS AVE,NW,NE,SE From N ST,SE TO O ST,SE Time Period Covered: From //2 To 2/3/22 Prepared By: Rahul Jain Prepared Date: 9/5/23 Total Number of Accident: Total Number of Fatalities: Total Number of Injuries: Total Number of Disabling Injuries: Total Number of NonDisabling Injuries: Total Number of Pedestrians Involved: Total Number of Bicycles Involved: Total Number of Motorcycles Involved: Collision Type #ACC % Collision Type #ACC % Right Angle: Fixed Object: Left Turn: Ran Off Road: Right Turn: Ped. Involved: Rear End: Backing: Side Swiped: Non Collision: Head On: Under/Over Ride: Parked: Time of Day #ACC % 7:3 ~ 9:3: 9:3 ~ :3: :3 ~ 3:3: 3:3 ~ 6:: 6: ~8:3: 8:3 ~ 7:3: Unspecified: Day o fweek #ACC % Sunday: Monday: Tuesday: Wednesday: Thursday: Friday: Saturday: Weather Condition #ACC % Clear: Rain: Snow: Sleet/Hail: Fog/Mist: Crosswind/Blowing Sand: Surface Condition #ACC % Dry: Wet: Snow/Ice: Slush: Water/Sand: Repairing: Type of Vehicle #VEH % Passenger Car: 2 Bus: Truck: Taxi: Minivan: Police/Emergency Vehicle: Motorcycle/Moped: Bicycle: Fixed Object: Unspecified: Accident Severity Type #ACC % Fatal Collision: Injury Collision: PDO Collision: Light Condition #ACC % Daylight: Dawn/Dusk: Dark(Lighted): Dark(Not Lighted): Dark(Unknown Lighting): Contributing Factor #VEH % Driver: Speed: Driver: Alcohol/Drug: Driver: Electronic Device: Driver: Others: 5 Vehicle: Roadway: 5 Pedestrian Actions #ACC % In Crosswalk with Signal: In Crosswalk against Signal: In Crosswalk no Signal: In Unmarked Crosswalk: Not in Crosswalk: From Between Parked Cars: Unspecified: Records are not approved as of 9/5/23 2:4:46 PM W7-36
DC Department of Transportation - Traffic Accident Reporting and Analysis System Corridor: Time Period Covered: Accident Summary Report (R-8) MASSACHUSETTS AVE,NW,NE,SE From N ST,SE TO O ST,SE Total Number of Accident: Total Number of Fatalities: Total Number of Injuries: Total Number of Disabling Injuries: Total Number of NonDisabling Injuries: Total Number of Pedestrians Involved: Total Number of Bicycles Involved: Total Number of Motorcycles Involved: From 7/3/2 To 7/3/22 Prepared By: Rahul Jain Prepared Date: /8/2 3 Collision Type #ACC % Collision Type #ACC % Right Angle: Fixed Object: Left Turn: Ran Off Road: Right Turn: Ped. Involved: Rear End: Backing: Side Swiped: Non Collision: Head On: Under/Over Ride: Parked: Time of Day #ACC % 7:3 ~ 9:3: 9:3 ~ :3: :3 ~ 3:3: 3:3 ~ 6:: 6: ~8:3: 8:3 ~ 7:3: Unspecified: Day o fweek #ACC % Sunday: Monday: Tuesday: Wednesday: Thursday: Friday: Saturday: Weather Condition #ACC % Clear: Rain: Snow: Sleet/Hail: Fog/Mist: Crosswind/Blowing Sand: Surface Condition #ACC % Dry: Wet: Snow/Ice: Slush: Water/Sand: Repairing: Type of Vehicle #VEH % Passenger Car: 2 Bus: Truck: Taxi: Minivan: Police/Emergency Vehicle: Motorcycle/Moped: Bicycle: Fixed Object: Unspecified: Accident Severity Type #ACC % Fatal Collision: Injury Collision: PDO Collision: Light Condition #ACC % Daylight: Dawn/Dusk: Dark(Lighted): Dark(Not Lighted): Dark(Unknown Lighting): Contributing Factor #VEH % Driver: Speed: Driver: Alcohol/Drug: Driver: Electronic Device: Driver: Others: 5 Vehicle: Roadway: 5 Pedestrian Actions #ACC % In Crosswalk with Signal: In Crosswalk against Signal: In Crosswalk no Signal: In Unmarked Crosswalk: Not in Crosswalk: From Between Parked Cars: Unspecified: Records are not approved as of /8/23 :29:5 PM W7-37
DC Department of Transportation - Traffic Accident Reporting and Analysis System Corridor: Time Period Covered: Accident Summary Report (R-8) MASSACHUSETTS AVE,NW,NE,SE From N ST,SE TO O ST,SE Total Number of Accident: Total Number of Fatalities: Total Number of Injuries: Total Number of Disabling Injuries: Total Number of NonDisabling Injuries: Total Number of Pedestrians Involved: Total Number of Bicycles Involved: Total Number of Motorcycles Involved: From 8//22 To 8//23 Prepared By: Rahul Jain Prepared Date: /8/2 3 Collision Type #ACC % Collision Type #ACC % Right Angle: Fixed Object: Left Turn: Ran Off Road: Right Turn: Ped. Involved: Rear End: Backing: Side Swiped: Non Collision: Head On: Under/Over Ride: Parked: Unspecified: Time of Day #ACC % 7:3 ~ 9:3: 9:3 ~ :3: :3 ~ 3:3: 3:3 ~ 6:: 6: ~8:3: 8:3 ~ 7:3: Unspecified: Day o fweek #ACC % Sunday: Monday: Tuesday: Wednesday: Thursday: Friday: Saturday: Weather Condition #ACC % Clear: Rain: Snow: Sleet/Hail: Fog/Mist: Crosswind/Blowing Sand: Unspecified: Surface Condition #ACC % Dry: Wet: Snow/Ice: Slush: Water/Sand: Repairing: Unspecified: Type of Vehicle #VEH % Passenger Car: Bus: Truck: Taxi: Minivan: Police/Emergency Vehicle: Motorcycle/Moped: Bicycle: Fixed Object: Unspecified: Accident Severity Type #ACC % Fatal Collision: Injury Collision: PDO Collision: Light Condition #ACC % Daylight: Dawn/Dusk: Dark(Lighted): Dark(Not Lighted): Dark(Unknown Lighting): Unspecified: Contributing Factor #VEH % Driver: Speed: Driver: Alcohol/Drug: Driver: Electronic Device: Driver: Others: Vehicle: Roadway: Unspecified: Pedestrian Actions #ACC % In Crosswalk with Signal: In Crosswalk against Signal: In Crosswalk no Signal: In Unmarked Crosswalk: Not in Crosswalk: From Between Parked Cars: Unspecified: Records are not approved as of /8/23 :3:49 PM W7-38