Road signs in Brunei are generally circular with a white border and symbol on a blue background. They usually indicate something all drivers must do (e.g. keep left) or a facility available to certain classes of traffic (e.g. pedal cycles only). Warning signs warn of possible dangers or unusual conditions ahead and alert motorists on the hazards to expect. They are usually shaped as triangles with a red border. Information signs are signs that may be mounted to indicate a certain condition or nature of the road ahead that motorists need to take note. They are independent of existing mandatory and prohibitive signs. Such
Storrow Drive 1 is now routed concurrently along Interstate 93. The parkway is named for James J. Storrow, an investment banker who led a campaign to create the Charles River Basin and preserve and improve the riverbanks as a public park. He had never advocated a parkway beside the river, and his widow publicly opposed it. The road is notorious for speeding and aggressive driving because police enforcement along the road is difficult without a breakdown lane. Radio traffic reports have warned motorists about "ponding" on Storrow Drive, which occurs when snow and frozen ground prevent water from draining properly into storm