Shared-Use Path Level of Service Calculator
A User's Guide
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APPENDIX A. STUDY TRAIL PROFILES
Lake Johnson Trail
Raleigh, NC
Trail Profile
Trail length: 8.8 kilometers (km) (5.5 miles (mi))
Community context: Suburban SE Raleigh, NC
Trail endpoints: Loop in Lake Johnson Park
Trail type: Park loop
Part of a trail system: Part of the Capital Area Greenway
Managing agency: Raleigh Department of Parks and Recreation
Study Location Characteristics
Study location: 0.40 km (0.25 mi) to 1.21 km (0.75 mi)
Landscape setting at study location: Wooded park, lake
Surface material: Asphalt (in poor condition)
Path width: 2.4–2.6 meters (m) (8.0–8.5 feet (ft))
Improved shoulder: No
Centerline: No
Lane striping pattern: None
Other treadways in the corridor: None
Clear zone: 0.3–1.2 m (1.0–4.0 ft)
Landscape adjacent to clear zone: Wooded park, lake
Sight distance Poor
Curves: Medium
Slopes: Low
Sammamish River Trail
Redmond, WA
Trail Profile
Trail length: 16.1 km (10.0 mi)
Community context: Suburban Seattle, WA
Trail endpoints: Blyth Park in Bothell, WA, and Marymoor Park in Redmond, WA
Trail type: Linear riverside greenway
Part of a trail system: Connects directly with the Burke Gilman Trail in Bothell, WA
Managing agency: King County Park and Recreation Division
Study Location Characteristics
Study location: In Sixty Acre Park, about 0.8 km (0.5 m) from NE 116th St. in Redmond, WA
Landscape setting at study location: Linear park, grass, and ballfields, adjacent to Sammamish River
Surface material: Asphalt
Path width: 3.0 m (10.0 ft)
Improved shoulder: No
Centerline: No
Lane striping pattern: None
Other treadways in the corridor: Horse trail
Clear zone: 1.8–3.0 m (6.0–10.0 ft) of short, mowed grass
Landscape adjacent to clear zone: Linear park, grass, and ballfields, adjacent to Sammamish River
Sight distance Good
Curves: Low
Slopes: Low
Mill Valley–Sausalito Pathway
Marin County, CA
Trail Profile
Trail length: 4.8 km (3.0 mi)
Community context: Suburban San Francisco
Trail endpoints: Harbor Drive in Sausalito, CA, and Alto Tunnel in Mill Valley, CA
Trail type: Rail-trail
Part of a trail system: A small component of the Bicentennial Bike Path and San Francisco Bay Trail; connects to popular on-street routes at each end
Managing agency: Marin County Department of Parks, Open Space and Cultural Services
Study Location Characteristics
Study location: At Bothin Marsh, north of the U.S. 101 bridge
Landscape setting at study location: Marsh, adjacent highway, bay
Surface material: Asphalt
Path width: 2.9–3.2 m (9.5–10.5 ft)
Improved shoulder: Yes; 5.0–7.0 ft of gravel
Centerline: No
Lane striping pattern: None
Other treadways in the corridor: None
Clear zone: 1.5–2.1 m (5.0–7.0 ft) gravel
Landscape adjacent to clear zone: Marsh, adjacent highway, bay
Sight distance Unlimited
Curves: Low
Slopes: No
White Rock Lake Trail
Dallas, TX
Trail Profile
Trail length: 15.0 km (9.3 mi)
Community context: Urban NE Dallas, TX
Trail endpoints: Loop in White Rock Lake Park
Trail type: Park loop
Part of a trail system: Connects to the White Creek Trail on
the north lakeside.
Managing agency: Dallas Department of Parks and Recreation
Study Location Characteristics
Study location: Just south of the E. Lawther/Emerald Isle
park access, near Winfrey Point
Landscape setting at study location: Open parkland, lake, park road
Surface material: 3.7 m (12.0 ft) of asphalt with 0.30-m (1.0-ft)
concrete edges
Path width: 4.3 m (14.0 ft)
Improved shoulder: No
Centerline: Yes
Lane striping pattern: Solid striped centerline; two 2.1-m (7.0-ft)
lanes
Other treadways in the corridor: Some bicyclists use park road
Clear zone: 3.0–6.1 m (10.0–20.0 ft) grass, with
some trees
Landscape adjacent to clear zone: Open parkland, lake, park road
Sight distance Unlimited
Curves: Low
Slopes: No
Lakefront Trail
Chicago, IL
Trail Profile
Trail length: 39.4 km (24.5 mi)
Community context: Urban north Chicago, IL
Trail endpoints: Southside Chicago, IL, and Evanston, IL
Trail type: Lakefront beach trail
Part of a trail system: Connects to lakefront trail in Evanston, IL
Managing agency: Chicago Parks District
Study Location Characteristics
Study location: Near trail intersection with North Avenue
Landscape setting at study location: Public park and beach
Surface material: Concrete
Path width: 6.1 m (20.0 ft)
Improved shoulder: No
Centerline: Yes
Lane striping pattern: Solid centerline and lane striping forming two interior 1.8-m (6.0-ft) lanes bounded by two 1.2-m (4.0-ft) lanes
Other treadways in the corridor: None
Clear zone: Unlimited
Landscape adjacent to clear zone: Public park and beach
Sight distance Poor, due to heavy user volumes
Curves: No
Slopes: No
South Bay Trail
Santa Monica, CA
Trail Profile
Trail length: 35.4 km (22.0 mi)
Community context: Suburban W. Los Angeles, CA
Trail endpoints: Santa Monica, CA, and Torrance, CA
Trail type: Oceanfront beach trail
Part of a trail system: Many connections
Managing agency: City of Santa Monica
Study Location Characteristics
Study location: About 1.6 km (1.0 mi) north of the Santa Monica Pier
Landscape setting at study location: Public beach
Surface material: Concrete
Path width: 4.37 m (14.0 ft)
Improved shoulder: No
Centerline: Yes
Lane striping pattern: Dashed centerline
Other treadways in the corridor: None
Clear zone: Unlimited
Landscape adjacent to clear zone: Public beach
Sight distance Unlimited
Curves: Low
Slopes: No
Forest Park Trail
St. Louis, MO
Trail Profile
Trail length: 12.1 km (7.5 mi)
Community context: Urban St. Louis, MO
Trail endpoints: Loop in Forest Park, MO
Trail type: Park loop
Part of a trail system: Connects to many trails within park
Managing agency: St. Louis Department of Parks, Recreation and Forestry
Study Location Characteristics
Study location: On the north edge of the park, along Lindell Blvd., between mileposts 5.25 and 5.75 (8.4 km–9.3 km), close to the History Museum
Landscape setting at study location: Open parkland, adjacent roadway
Surface material: Asphalt
Path width: 3.0 m (10.0 ft)
Improved shoulder: Yes; 1.2 m (4.0 ft) of dirt on one side
Centerline: Yes
Lane striping pattern: Solid centerline
Other treadways in the corridor: 1.2-m (4.0-ft) dirt jogging path on one side
Clear zone: 1.2 m (4.0 ft)
Landscape adjacent to clear zone: Open parkland, adjacent roadway
Sight distance Good
Curves: No
Slopes: No
Honeymoon Island Trail (Dunedin Causeway)
Dunedin, FL
Trail Profile
Trail length: 4.9 km (2.5 mi)
Community context: Suburban Tampa/St. Petersburg, FL
Trail endpoints: Pinellas Trail in Dunedin, FL, and
Honeymoon Island State Park
Trail type: Highway sidepaths, greenway
Part of a trail system: Connects to the Pinellas Trail in Dunedin, FL
Managing agency: Florida Department of Transportation
Study Location Characteristics
Study location: West of the draw bridge
Landscape setting at study location: Marsh, beach, adjacent roadway
Surface material: Asphalt
Path width: 2.2 m (12.0 ft)
Improved shoulder: No
Centerline: No
Lane striping pattern: None
Other treadways in the corridor: None
Clear zone: None on one side, 1.2–1.5 m (4.0–6.0 ft) of
grass on the other side
Landscape adjacent to clear zone: Marsh, beach, guardrail, roadway
Sight distance Unlimited
Curves: Low
Slopes: No
Minuteman Bikeway
Arlington, MA
Trail Profile
Trail length: 16.9 km (10.5 mi)
Community context: Suburban Boston, MA
Trail endpoints: Town of Bedford, MA, and Alewife "T" Station in Cambridge, MA
Trail type: Rail-trail
Part of a trail system: Connects to Alewife Linear Park and other trails
Managing agency: Town of Arlington, MA
Study Location Characteristics
Study location: Mile marker 7.5 (12.1 km) in Arlington, MA, near the Bike Shop
Landscape setting at study location: Wooded railroad corridor
Surface material: Asphalt
Path width: 3.7 m (12.0 ft)
Improved shoulder: No
Centerline: Yes
Lane striping pattern: Dashed centerline; dashes are each 1.8 m (6.0 ft) long and 4.3 m (14.0 ft) apart
Other treadways in the corridor: None
Clear zone: 0.6–1.4 m (2.0–4.0 ft)
Landscape adjacent to clear zone: Wooded railroad corridor
Sight distance Okay
Curves: No
Slopes: No
Charles River Bike Path (Dr. Paul Dudley White Bike Path)
Boston, MA
Trail Profile
Trail length: 29.0 km (18.0 mi)
Community context: Urban Boston, MA
Trail endpoints: O'Brien Bridge in Boston, MA, and Watertown, MA
Trail type: Linear riverside greenway
Part of a trail system: Circles the tidal Charles River on both shorelines from Science Park in Boston to Watertown Square
Managing agency: Metropolitan District Commission
Study Location Characteristics
Study location: South side of the Charles River, east of the Harvard Bridge (Massachusetts Ave.)
Landscape setting at study location: Narrow linear park, river, adjacent highway
Surface material: Asphalt
Path width: 2.4 m (8.0 ft)
Improved shoulder: No
Centerline: Yes
Lane striping pattern: Dashed centerline; dashes are each 1.8 m (6.0 ft) long and 3.7 m (12.0 ft) apart
Other treadways in the corridor: Separate pedestrian paths are present along much of the trail corridor
Clear zone: None
Landscape adjacent to clear zone: Narrow linear park, river, adjacent highway
Sight distance Poor
Curves: Medium
Slopes: No
W&OD Trail
Northern Virginia
Trail Profile
Trail length: 72.4 km (45.0 mi)
Community context: Suburban northern Virginia
Trail endpoints: I-395 at Shirlington in Arlington, VA, and Purcellville, VA
Trail type: Rail-trail
Part of a trail system: Serves as the east-west spine of a system of trails in northern Virginia
Managing agency: Northern Virginia Regional Park Authority
Study Location Characteristics
Study location: Vienna, VA
Landscape setting at study location: Narrow linear park
Surface material: Asphalt
Path width: 3.0 m (10.0 ft)
Improved shoulder: No
Centerline: Yes
Lane striping pattern: Solid
Other treadways in the corridor: None
Clear zone: Unlimited
Landscape adjacent to clear zone: Narrow linear park
Sight distance Excellent
Curves: Gentle
Slopes: None
Capital Crescent Trail
Washington, DC
Trail Profile
Trail length: 14.4 km (12.0 mi)
Community context: Urban Washington, DC
Trail endpoints: Silver Spring, MD and Georgetown in Washington, DC
Trail Type: Rail-trail
Part of a trail system: Connects to the Rock Creek Park Trail and C&O Canal Towpath at the south end
Managing agency: Maryland National Capital Park and Planning Commission and the U.S. National Park Service (DC)
Study Location Characteristics
Study location: Between K St. and Fletcher's Boathouse at the southern end of the trail in DC
Landscape setting at study location: Wooded railroad corridor
Surface material: Asphalt
Path width: 3.0 m (10.0 ft)
Improved shoulder: No
Centerline: Yes
Lane striping pattern: Dashed centerline
Other treadways in the corridor: C&O Canal Towpath parallels this section of trail
Clear zone: 0.6–1.2 m (2.0–4.0 ft)
Landscape adjacent to clear zone: Wooded railroad corridor
Sight distance No
Curves: Unlimited
Slopes: No
Grant's Trail
St. Louis County, MO
Trail Profile
Trail length: 10.9 km (8.0 mi)
Community context: Suburban southwest St. Louis, MO
Trail endpoints: I–55 at Hoffmeister in Orlando Gardens, MO, and Highway 44 in Kirkwood, MO
Trail Type: Rail-trail
Part of a trail system: No
Managing agency: St. Louis County Department of Parks and Recreation
Study Location Characteristics
Study location: Near trail crossing of Union Road
Landscape setting at study location: Wooded railroad corridor, suburban homes
Surface material: Asphalt
Path width: 3.7 m (12.0 ft)
Improved shoulder: No
Centerline: Yes
Lane striping pattern: Solid yellow stripe
Other treadways in the corridor: None
Clear zone: 0.6–1.2 m (2.0–4.0 ft)
Landscape adjacent to clear zone: Wooded railroad corridor, suburban homes
Sight distance Good
Curves: Gentle
Slopes: None
Pinellas Trail
Dunedin, FL
Trail Profile
Trail length: 75.7 km (47.0 mi)
Community context: Suburban Tampa/St. Petersburg, FL
Trail endpoints: Tarpon Springs, FL, and St. Petersburg, FL
Trail type: Rail-trail
Part of a trail system: Serves as the north-south spine for a system of trails and on-street bikeways in Pinellas County, FL
Managing agency: Pinellas County Park Department
Study Location Characteristics
Study location: North of Curlew Road in Dunedin, FL
Landscape setting at study location: Narrow linear park
Surface material: Asphalt
Path width: 4.6 m (15.0 ft)
Improved shoulder: None
Centerline: Yes
Lane striping pattern: Solid white stripe divides bicycle/skate path (3.0 m (10.0 ft)) from pedestrian path (1.5 m (5.0 ft)), which is periodically marked with a white pedestrian symbol
Other treadways in the corridor: Along some segments of the trail, the bicycle and pedestrian paths are separated by a grass buffer
Clear zone: 1.8–3.0 m (6.0–10.0 ft)
Landscape adjacent to clear zone: Narrow Linear Park
Sight distance Unlimited
Curves: None
Slopes: None
White Creek Trail
Dallas, TX
Trail Profile
Trail length: 12.1 km (7.5 mi)
Community context: Suburban northern Dallas, TX
Trail endpoints: Valley View Park (Hilcrest Road) in north Dallas, TX, and White Rock Lake Park in northeast Dallas, TX
Trail Type: Linear streamside greenway
Part of a trail system: Connects to the White Rock Lake Trail on the south end
Managing agency: Dallas Department of Parks and Recreation
Study Location Characteristics
Study location: North of the Fair Oaks Tennis Center, on both sides of the Walnut Hill Lane overpass
Landscape setting at study location: Open parkland, stream
Surface material: Asphalt
Path width: 2.4 m (8.0 ft)
Improved shoulder: No
Centerline: No
Other treadways in the corridor: None
Clear zone: 9.2–22.9 m (30.0–75.0 ft) of grass with sparse tree cover.
Landscape adjacent to clear zone: Open parkland, stream
Sight distance: Unlimited
Curves: None
Slopes: None
FHWA-HRT-05-138
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