o Driveway density and design o Median treatment and related features o Auxiliary lanes o Presence of bicycle facility
o Height/Weight restrictions (e.g., TxDOT set routes with vertical clearance lower than 14’ not for truck ; . TxDOT indicated in the manual that more than standard connection (driveway) spacing distance [200 ft for under 30 mph, 425 ft for more than 50 mph] is needed for truck traffic.32 )
• Land-use and environmental characteristics
o Land use immediately adjacent to roadway o Location relative to land uses generate truck movements o Location relative to environmentally sensitive areas
• Operational and safety characteristics
o Traffic and truck volume and congestion levels o Pedestrian and bicycle volume o Traffic speed o Split between through traffic vs local traffic
Case Studies The City of Cambridge is committed to reducing the adverse impacts of truck noise and vibrations on residents while ensuring the continued delivery of goods and services to businesses and residences in the city. Key criteria for a truck exclusion from a municipal way include, a suitable alternative route is available and one or more of the following: 33 • There is at least 5% heavy commercial vehicles • Heavy wheel loads will result in severe deterioration of the roadway
32 TxDOT Access Management Manual (2011). Access Management Manual: Number, Location, and Spacing of Access Connections 33 City of Cambridge. Truck Restricted Streets List. https://www.cambridgema.gov/traffic/sustainabletransportation/trucks/truckrestrictedstreetslist
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