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Maryland (4 facilities)

Maryland Table 1: Geographic and Infrastructure Characteristics  (NA is not available)
ID Location Agency History Scale Type Separation
Urban Area Road Segment Year Opened Current Status # of Lanes (GP/ HOV) Length
(Lane-Miles/
Route-Miles)
128 Washington Metro US 50 West of US 301 to I-495/I-95 Maryland State Highway Administration 10/22/02 Open 3 / 2 15.0 / 7.5 Concurrent (median) Painted stripe
129 Washington Metro I-270 eastern spur West of MD 187 Maryland State Highway Administration 9/93 - 7/94 Open 2 / 2 6.0 / 3.0 Concurrent (median) Painted stripe
130 Washington Metro I-270 western spur North of Democracy Blvd. Maryland State Highway Administration 9/93 - 7/94 Open 2 / 2 6.0 / 3.0 Concurrent (median) Painted stripe
131 Washington Metro I-270 I-495 to MD 121 Maryland State Highway Administration 9/93 - 7/94 Open 3 / 2 31.0 / 15.5 Concurrent (median) Painted stripe

 

Maryland Table 2: Policy and Utilization Characteristics (NA is not available)
1ID Location Eligibility 3Days/Hours of Operation Inter-mediate Access Allowed Utilization Peak Hour Violation Estimate Peak Hour Travel Time Savings (minutes)
Urban Area Road Segment HOV Eligibility Special Fuel Eligibility AM Peak Hour Utilization (persons, vehicles, % of total vehicles) PM Peak Hour Utilization (persons, vehicles, % of total vehicles)
128 Washington Metro US 50 West of US 301 to I-495/I-95 2+ No 24/7 NA 2121; 1145; NA NA; 909; NA 12% 5-7
2129 Washington Metro I-270 eastern spur West of MD 187 2+ No SB 6 to 9 AM; NB 3:30 to 6:30 PM NA 1949; 763; NA 1949; 763; NA 21% NA
130 Washington Metro I-270 western spur North of Democracy Blvd. 2+ No SB 6 to 9 AM; NB 3:30 to 6:30 PM NA 1673; 638; NA 2263; 878; NA 25% NA
131 Washington Metro I-270 I-495 to MD 121 2+ No SB 6 to 9 AM; NB 3:30 to 6:30 PM NA 3311; 1261; NA 2740; 957; NA 17% 11-14
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December 2008
FHWA-HOP-09-030

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