G
| Street | Route | Places | Landmarks | Notes |
|---|---|---|---|---|
| Garrison Forest Road | Greenspring Valley Road to Greenspring Avenue (5.4 miles) | Owings Mills | Rosewood Center (boundary of property) Irvine Nature Center Maryland Veterans Cemetery St. Thomas Church Garrison Forest School |
Most northern block carries MD-129 traffic. Part of route of now defunct bus routes 102 and Part of route of M-17 |
| Glen Arm Road | Cromwell Bridge Road to Harford Road | Glen Arm | Until the late 1800s was part of Old Harford Road | |
| Golden Ring Road | Hazelwood Avenue to Pulaski Highway | Rosedale | Part of route of Bus Route 55 | |
| Goucher Boulevard | Fairmount Avenue to Loch Raven Boulevard | Towson | Calvert Hall College High School | Part of route of Bus Route 55 |
| Greenspring Avenue | Druid Hill Park (in Baltimore City) to Tufton Avenue | Pikesville Owings Mills |
Quarry Lake | On the north end, continues as Worthington Avenue |
| Greenspring Valley Road | Township Drive to Falls Road | Owings Mills Stevenson Brooklandville |
Stevenson University Gramercy Mansion |
Part of route of Bus Route 60. |
| Gwynn Oak Avenue | Security Boulevard to Belvieu Avenue (in Baltimore City) | Woodlawn | Gwynn Oak Park | Formerly Maryland Route 126. Served by bus routes 44 and 57. |
| Gwynnbrook Avenue | Reisterstown Road to Garrison Forest Road | Owings Mills | Gwynnbrook State Park Jewish Community Center Owings Mills location |
Border to property of the now-defunct Rosewood Center. Runs through property that dates back to 18th century. |
Read more about this topic: List Of Roads In Baltimore County, Maryland